Zre Cai Operators Manual PDF
Zre Cai Operators Manual PDF
Zre Cai Operators Manual PDF
USER’S MANUAL
• Be sure to read this instruction manual carefully before performing installation, wiring,
operation, and maintenance of the analyzer. Improper handling may result in accidents or
injury.
• The specifications of this analyzer are subject to change without prior notice for further
product improvement.
• Modification of this analyzer is strictly prohibited unless a written approval is obtained
from the manufacturer. Fuji will not bear any responsibility for a trouble caused by such a
modification.
• The person who actually operates the analyzer should keep this instruction manual.
• After reading through the manual, be sure to keep it near at hand for future reference.
• This instruction manual should be delivered to the end user without fail.
INZ-TN1ZRE-E i
CAUTION ON SAFETY
• The descriptions listed here provide important information on safety. Be sure to observe them at all
times. Those safety precautions are classified into 3 levels, “DANGER,” “CAUTION” and “PROHIBI-
TION.”
ii INZ-TN1ZRE-E
Caution on piping
Be sure to observe the following precautions while installing
DANGER piping. Improper piping may result in gas leakage.
If the leaking gas contains a toxic component, serious acci-
dents may result. If it contains combustible gases, explosion
or fire may result.
• Connect pipes correctly referring to the instruction manual.
• Discharge the exhaust gas outdoors to prevent it from remain-
ing within the sampling device or indoors.
• Relieve the exhaust gas from the analyzer to the atmospheric
pressure to prevent buildup of undesirable pressure to the ana-
lyzer. Otherwise, piping within the analyzer may be discon-
nected, resulting in gas leakage.
• Use pipes and pressure reducing valves to which no oil/grease
is attached to the piping. Otherwise, fire may result.
Caution on wiring
• Be sure to turn off the power before installing wiring. Other-
CAUTION wise, electric shock may result.
• Be sure to perform protective earth connection. Otherwise,
electric shock or failure may result.
• Select a proper wiring material that satisfies the ratings of the
instrument. Otherwise, electric shock or fire may result.
• Be sure to connect a power supply of correct rating. Other-
wise, fire may result.
Caution on use
• Be sure to read the instruction manual for reference gases be-
DANGER fore handling reference gases such as calibration gas to use them
properly.
INZ-TN1ZRE-E iii
Caution on use
• Do not touch the input/output terminals with metal or finger.
PROHIBITION Otherwise, electric shock or injury may result.
• Do not smoke or use flames near the analyzer. Otherwise, fire
may result.
• Do not allow water to enter the analyzer. Otherwise, electric
shock or internal fire may result.
Others
• If the cause of any fault cannot be identified by referring to the
CAUTION instruction manual, be sure to contact your dealer or Fuji’s tech-
nician in charge of adjustment. Disassembling the instrument
carelessly may result in electric shock or injury.
iv INZ-TN1ZRE-E
CONTENTS
PREFACE ......................................................................................................................i
CONTENTS ................................................................................................................. v
1. OVERVIEW .......................................................................................................... 1
3. INSTALLATION .................................................................................................. 4
3.1 Installation conditions ............................................................................................ 4
3.2 Installation .............................................................................................................. 5
3.2.1 Installation of analyzer main frame ............................................................... 5
3.3 Piping ..................................................................................................................... 6
3.4 Sampling ................................................................................................................ 8
3.4.1 Conditions of sampling gas............................................................................ 8
3.4.2 Sampling gas flow .......................................................................................... 8
3.4.3 Preparation of standard gas ............................................................................ 8
3.4.4 Purging of instrument inside ......................................................................... 8
3.4.5 Pressure at sampling gas outlet ...................................................................... 9
3.4.6 Example configuration of gas sampling system ............................................ 9
3.5 Wiring................................................................................................................... 10
4. OPERATION ...................................................................................................... 16
4.1 Preparation for operation ..................................................................................... 16
4.2 Warm-up operation and regular operation ........................................................... 16
INZ-TN1ZRE-E v
6.3 Alarm setting ........................................................................................................ 32
6.3.1 Setting of alarm values................................................................................. 32
6.3.2 Hysteresis setting ......................................................................................... 34
6.4 Setting of auto calibration .................................................................................... 35
6.4.1 Auto calibration ........................................................................................... 35
6.4.2 Forced run/stop of auto calibration .............................................................. 38
6.5 Setting of auto zero calibration ........................................................................... 40
6.5.1 Auto zero calibration ................................................................................... 40
6.5.2 Forced run/stop of auto zero calibration ...................................................... 42
6.6 Parameter setting .................................................................................................. 44
6.7 Maintenance mode ............................................................................................... 50
6.8 Calibration ............................................................................................................ 55
6.8.1 Zero calibration ............................................................................................ 55
6.8.2 Span calibration ........................................................................................... 56
7. MAINTENANCE ............................................................................................... 57
7.1 Daily check .......................................................................................................... 57
7.2 Daily check and maintenance procedures ............................................................ 57
7.3 Cleaning of sampling cell .................................................................................... 58
7.3.1 Disassembly and assembly of sampling cell................................................ 58
7.3.2 How to clean cell ......................................................................................... 63
9. SPECIFICATIONS ............................................................................................. 67
9.1 General specifications .......................................................................................... 67
9.2 Code symbols ....................................................................................................... 70
9.3 Outline diagram.................................................................................................... 73
vi INZ-TN1ZRE-E
1. OVERVIEW
This infrared gas analyzer (type: ZRE) measures the concentration of NO, SO2, CO2, CO and CH4 con-
tained in sampling gas on the principle that different atomic molecules have an absorption spectrum in the
wave band of infrared rays, and the intensity of absorption is determined by the Lambert-Beer law.
Since this instrument incorporates a compact O2 sensor, it allows measuring up to 5 components simulta-
neously by using the built-in O2 sensor (up to 4 components if O2 sensor is excluded).
Furthermore, use of a microprocessor or large sized liquid crystal display realizes improvement of oper-
ability, accuracy and multi-functions.
This instrument is optimum for measuring combustible gas exhausted from boilers or incinerators, and it
is effective for steel gas analysis [blast furnace, steel converter, thermal treatment furnace, sintering (Pellet
equipment), coke furnace], storage and maturity of vegetable and fruit, biochemistry (microbe), [fermen-
tation], air pollution [incinerator, exhaust gas desulfurization, denitration], automotive emission (excluding
tester), protection against disasters [detection of explosive gas and toxic gas, combustion gas analysis of
new building material], growth of plants, chemical analysis [petroleum refinery plant, petroleum chem-
istry plant, gas generation plant], environment [landing concentration, tunnel concentration, parking lot,
building management] and various physical and chemical experiments.
INZ-TN1ZRE-E 1
2. NAME OF DELIVERED ITEMS AND EACH PARTS
POWER
ESC
Standard: IEC127-2
Size: ø5 × 20mm
Fuse: 2 pcs
Rating: 250V/2A delay type
Part No.: TK7L7571P3
Instruction Manual
(INZ-TN1ZREa)
CD-ROM: 1
(When provided with communication
function)
INZ-TN1ZRE
b-E
RS-485 connector: 1
9 pin D-sub connector (male)
Fixing screws : 2
Part No.: TK7N3059P9
(When provided with communication
M2.6 × 4mm
function)
2 INZ-TN1ZRE-E
2.2 Name and description of analyzer
ENTER
ESC
POWER
DIO3
RS485 A/O
A/I PURGE INLET1 OUTLET1
Made in Japan
TYPE
INFRARED GAS ANALYZER
0-
DIO2
< Rear panel >
0-
0- INLET2 OUTLET2
0-
0- U SE
OUTPUT DC
F
POWER AC100V∼C240V 50/60 Hz VA DIO1
SER.NO.
MFD FUSE
250V T 2A
Fuji Electric Systems Co.,Ltd.
⑧ Fuse
INZ-TN1ZRE-E 3
3. INSTALLATION
DANGER
This unit is not explosion-proof type. Do not use it in a place with explosive gases to prevent
explosion, fire or other serious accidents.
CAUTION
• Entrust the installation, movement or re-installation to a specialist or the supplier. A poor
installation may cause accidental tipover, electric shock, fire, injury, etc.
• The gas analyzer is heavy. It should be installed with utmost care. Otherwise, it may tipover
or drop, for example, causing accident or injury.
• For lifting the gas analyzer, be sure to wear protective gloves. Bare hands may invite an
injury.
• This unit should be installed in a place which conforms to the conditions noted in the in-
struction manual. Otherwise, it may cause electric shocks, fire or malfunction of the unit.
• During installation work, care should be taken to keep the unit free from entry of cable chips
or other foreign objects. Otherwise, it may cause fire, trouble or malfunction of the unit.
4 INZ-TN1ZRE-E
3.2 Installation
3.2.1 Installation of analyzer main frame
Installation methods for the analyzer main unit are divided into 2 types;
(Unit : mm)
Type External dimensions Mounting dimensions Mounting method
19-inch rack
mounting
132.5
A
MODE ZERO SPAN
ENTER
FL1 FL2
ESC
M6
POWER
435
450 or more Support
483
465
+2
132.5
-0
MODE ZERO SPAN
ENTER
126
FL1 FL2
ESC
POWER
+2
443 436 -0
Support
Note) • The analyzer weight should be supported at the bottom of the casing.
• The analyzer should be installed in a place where ambient temperature is within -5 to 45°C (max.
40°C when two optial units are used, and the power supply is more than 200V AC), and tempera-
ture fluctuation during using is minimum.
• Where vibration is unavoidable, protect the analyzer from vibrating.
For example, protection rubber is installed between the analyzer and support, or the analyzer’s
front panel and mounting panel.
INZ-TN1ZRE-E 5
3.3 Piping
Observe the following when connecting the gas tube.
• Piping should be connected to the gas inlets and outlets at the rear panel of the analyzer.
• Use a corrosion resistant tube of Teflon, stainless or polyethylene to connect the instrument to
a sampling system. Even if there is a danger of corrosion, refrain from using a tube of rubber
or soft vinyl. The instrument provides inaccurate indication due to gas absorption by piping
materials.
• Pipe connection port is Rc1/4 female thread (or NPT1/4). Piping should be cut as short as
possible for a quick response. About 4 mm inner diameter is recommended.
• Entry of dust into the instrument may result in defective operation. Use a clean piping or cou-
pling.
Purge gas inlet
Sampling gas inlet 1
Sampling gas outlet 1
DIO3
RS485 A/O
A/I PURGE INLET1 OUTLET1
Made in Japan
INFRARED GAS ANALYZER
DIO2
TYPE
0-
0-
0- INLET2 OUTLET2
0-
0- U SE
OUTPUT DC
F
POWER AC100V∼C240V 50/60 Hz VA DIO1
SER.NO.
MFD FUSE
250V T 2A
Fuji Electric Systems Co.,Ltd.
Sampling gas inlet: Attach the gas tube to introduce gas to be measured such as one that has
completed dehumidification process and standard gases for zero and span
calibration to this inlet.
Gas flow to be introduced should be constant within the range of 0.5 L/min
±0.2 L/min.
Sampling gas outlet: Exhaust measured gas through the outlet. Attach the tube to exhaust mea-
sured gas outdoors or to the atmosphere.
Purge gas inlet: It is used for purging the inside of the total gas analyzer.
Use dry gas N2 or instrumentation air for purge gas. (Flow rate is 1L/min or
more, and dust or mist is unallouwable.)
6 INZ-TN1ZRE-E
Internal piping diagram
Optical unit 2 (IR Unit 2)
Optical unit 1
(IR Unit 1)
Built-in
O2 sensor
INLET1 OUTLET1
INZ-TN1ZRE-E 7
3.4 Sampling
3.4.1 Conditions of sampling gas
(1) Dust contained in the sampling gas should be completely removed with a filter. For the final
stage filter, use a filter that allows removing dust particles of 0.3μm.
(2) Dew point of the sampling gas must be lower than the ambient temperature to avoid occur-
rence of drain in the gas analyzer. If vapor is contained in the sampling gas, dew point should
be lowered to 2˚C by using a dehumidifier.
(3) If SO3 mist is contained in the sampling gas, use a mist filter or cooler to remove SO3 mist.
Other mists should be removed by using a mist filter or gas dryer.
(4) Corrosive gases such as Cl2, F2 and HCl, if they are contained in the sampling gas in consider-
able amounts, will shorten the life of instruments.
(5) Temperature of the sampling gas should be within 0 to 50˚C. Pay attention not to flow hot gas
directly into the instrument.
Span gas other Gas with concentra- Gas with concentration of Gas with concentration of 90%
than for O2 tion of 90% or more 90% or more of full scale or more of full scale
measurement of full scale
8 INZ-TN1ZRE-E
3.4.5 Pressure at sampling gas outlet
Pressure at the sampling gas outlet should be adjusted to the atmospheric pressure.
The following illustrates a typical system configuration for five component gas measurement for
monitoring combustion exhaust gas from boiler, refuse incinerator, etc.
Contact Fuji Electric for system configuration matching the particular use or further information.
(1) Gas extractor
(5)
Electronic
gas cooler
(6)
ZERO NO SO2 CO2 CO O2 Solenoid
valve
(3) Safety Pressure
drain reducing valve
trap (10)
Zirconia
NO SO2 CO2 CO O2 O2 senor
Air /N2 /N2 /N2 /N2 /N2 (ZFK7)
Drain Exhaust
INZ-TN1ZRE-E 9
3.5 Wiring
CAUTION
• Be sure to turn off the power before installing wiring. Otherwise, electric shock may result.
• Be sure to perform protective earth connection. Otherwise, electric shock or failure may
result.
• Select a proper wiring material that satisfies the ratings of the instrument. Otherwise, elec-
tric shock or fire may result.
• Be sure to connect a power supply of correct rating. Otherwise, fire may result.
The power terminal block and external input/output connector is provided at the rear panel. Refer
to the following.
External input connector (A/I)
DIO3
RS485 A/O
A/I PURGE INLET1 OUTLET1
Made in Japan
INFRARED GAS ANALYZER
DIO2
TYPE
0-
0-
0- INLET2 OUTLET2
0-
0- U SE
OUTPUT DC
F
POWER AC100V∼C240V 50/60 Hz VA DIO1
SER.NO.
MFD FUSE
250V T 2A
Fuji Electric Systems Co.,Ltd.
PE N L
3 2 1
Power supply
Ground wire 100 to 240V AC
CAUTION
After the wiring work, be sure to place the protective cover for the terminal blocks to assure
safety.
10 INZ-TN1ZRE-E
When noise source is in the vicinity
• Avoid installing this instrument near an electrical unit (high frequency furnace or electric welder)
that generates much electrical noise. If using the instrument near such a noise generating unit is
unavoidable, use a different power line to avoid noise.
Main unit
power supply
Varistor or
• Mount a noise suppressor such as varister or spark killer spark killer
as shown at right figure to the noise generating unit when
Install (connect)
noise is generated from relays or solenoid valves.
near the source.
Mount the suppressor near the noise generating source, or
it will have no effect. Noise
generating
source
13 1 1 AO1+
14 AO1-
2 AO2+
25 14 15 AO2-
3 AO3+
D-sub 25-pin female 16 AO3-
4 AO4+
Note) Display Ch number is same 17 AO4-
as the AO number under 5 AO5+
standard specifications. 18 AO5-
6 AO6+
19 AO6-
7 AO7+
20 AO7-
8 AO8+
21 AO8-
9 AO9+
22 AO9-
10 AO10+
23 AO10-
11 AO11+
24 AO11-
12 AO12+
25 AO12-
13 NC
All the analog output signals of the instrument are not isolated individually. It is recommend-
ed to isolate the signals individually to eliminate the interference from the unnecessary signals
or the effect of external interference, especially leading the cable of more than 30 meters or to
outdoor.
INZ-TN1ZRE-E 11
(3) O2 sensor input: External input connector (A/I)
Input signal:
External zirconia O2 analyzer : Zirconia O2 sensor signal (Fuji ZFK7 output)
External O2 analyzer : 0 to 1 V DC (DC input resistor of 1MΩ or more)
< External input > A/I connector (O2 sensor input)
AI-
AI+
• It is used when the external zirconia O2 analyzer or the external O2 analyzer is specified as
order.
• Connect the dedicated connector (accessory) to the output of the external Zirconia analyzer or
the external O2 analyzer prepared separately.
• In case of an external O2 analyzer, input a signal of 0 to 1 V DC with respect to O2 full scale
of the analyzer. The O2 concentration display, output, and O2 correction can be performed.
• Do not connect when the built-in O2 analyzer is installed.
Turn
To O2 sensor
12 INZ-TN1ZRE-E
(4) Contact input/output (DIO): digital input/output connector (DIO1 to 3)
Contact input signal : Voltage is applied from the external 12 to 24 V DC, max 15mA
Photo-coupler insulation (from each DI and ground)
Contact capacity : C contact relay output 24V/1A AC/DC resistive load
< Digital input/output > Connector for DIO 1 to 3 (option) DIO1 DIO2 DIO3
connector connector connector
13 1 1 DI1+ DI4+ DI7+
14 DI1- DI4- DI7-
Digital input
2 DI2+ DI5+ DI8+
25 14 OFF : 0V
15 DI2- DI5- DI8-
ON : 12 to 24V DC
3 DI3+ DI6+ DI9+
D-sub 25-pin female 16 DI3- DI6- DI9-
4 NC
Note) DIO 1 to 3 have the same internal circuit of the 17 com DO1 DO6 DO11
connector. 5 NO
18 NC
6 com DO2 DO7 DO12
19 NO
7 NC Digital output
20 com DO3 DO8 DO13 max. contact load
Contents of digital input 8 NO rating 24V DC/1A
signal 21 NC
DI1 Remote hold
9 com DO4 DO9 DO14
22 NO
DI2 Average value reset
10 NC
DI3 A. cal. start 23 com DO5 DO10 DO15
DI4 A. zero. cal. start 11 NO
DI5 Remote range Ch1 24
DI6 Remote range Ch2 12
INZ-TN1ZRE-E 13
• Insulation output (from each DO and ground)
To avoid external interference, wiring of analog output signal, O2 sensor input and contact
input should be fixed separately from that of power supply and contact output.
Note) To avoid the effect of noise generated from external units, be sure to ground the analyzer
main unit.
5 1 1 (GND)
6
2 RT×D+
9 6 7
3 RT×D-
D-sub 9-pin female 8
4
9
5
Ch1 to 5 span
calibration output
off
• Span calibration
SPAN When selecting ENT ENT Calibration end
Ch2 using
DOWN and UP
Zero calibration keys.
output
Ch1 span
calibration
14 INZ-TN1ZRE-E
2) In case of automatic calibration
(example shown in Item 6.4.1, Automatic calibration settings)
Automatic
calibration Ch1 span Ch3 span
calibration calibration Ch5 span
start calibration
Ch2 span Ch4 span
Zero calibration calibration calibration
INZ-TN1ZRE-E 15
4. OPERATION
16 INZ-TN1ZRE-E
5. DESCRIPTION OF DISPLAY AND OPERATION PANELS
This section describes the display unit and operation panel of the analyzer unit. It also explains the name
and description of function on the operation panel.
ENTER
FL1 FL2
ESC
POWER
• Display unit: The measurement screen and the setting items are displayed.
⑦ ZERO key
⑥ ENT key
ENTER
⑤ ESC key
ESC
④ DOWN key
Fig. 5-1
① MODE key Used to switch the mode. ⑤ ESC key Used to return to the previous screen or
cancel the setting midway.
② SIDE key Used to change the selected item (by ⑥ ENT key Used for confirmation of selected items
moving the cursor) and the numeral digit. or values, and for execution of calibra-
tion.
③ UP key Used to change the selected item (by ⑦ ZERO key Used for zero calibration.
moving the cursor) and to increase the
numeral value.
④ DOWN key Used to change the selected item (by ⑧ SPAN key Used for span calibration.
moving the cursor) and to decrease the
numeral value.
INZ-TN1ZRE-E 17
5.2 Overview of display and operation panels
SPAN Calibration
SPAN
• Measurement mode
MODE ESC
MODE
ESC
• Calibration • Selection of items
Parameters Start Time
• User mode Cycle
ESC
Switch Ranges Flow Time
Calibration Parameters • Alarm Setting ON/OFF
Alarm Setting Auto calibration Run / stop
ESC
Setting of Auto Calibration
• Setting of Auto
Setting of Auto Zero calibration
Calibration
Parameter Setting
ESC
• Selection of items
• Setting of Auto Start Time
Zero calibration Cycle
* 2) Alarm setting and
Flow Time
Auto/Auto zero calibration ESC
• Parameter ON/OFF
are optional.
Setting Auto zero calibration Run / stop
• Selection of items
Current time : Current time setting
Key lock : Key lock ON/OFF
Output Hold : ON/OFF
Response time : Response time (filter)
Average Period : Average Period
setting
Backlight Timer : Automatic OFF time
Contrast : Contrast of the LCD
To Maintenance mode : Maintenance mode
(entry of password)
Fig. 5-2
18 INZ-TN1ZRE-E
5.3 Outline of display screen
(1) Measurement mode screen (appears when the power is turned ON)
The measurement screen depends on the number of components. The following screen configura-
tion as shown as an example is for NO, SO2, CO2, CO and O2 (output: 12 channels).
① ② ① ②
Ch Ch CV.
NOX AV. NOX
0-200 0.0 ppm 8 0-200 0.0 ppm
Ch Ch CV.
SO2 AV. NOX
0-200 0.0 ppm 9 0-200 0.0 1h
ppm
Ch Ch CV.
CO2 SO2
0-20 0.0 0 vol%
Scroll
10
AV.
0-200 0.0 1h
ppm
Ch Ch CV.
CO CO
0-200 0.0 ppm 11
AV.
0-200 0.0 1h
ppm
Ch Ch
O2
O2
0-25 0.0 0 vol% 12
AV.
0-25 0.0 1h
vol%
③ ④ ③ ⑤
Fig. 5-3
* For outputs of more than 5 channels, scroll the or the key to view.
No. Name Function
① Component display Displays the component of instantaneous value, corrected instan-
taneous value, corrected average value, etc.
② Concentration display Displays the measured value of concentration.
③ Range display Displays the range values.
④ Unit display Displays the unit with ppm and vol%.
⑤ Average time display Displays the average time.
INZ-TN1ZRE-E 19
• Instantaneous value and concentration value:
The concentration display of Ch (component) where sampling components such as “CO2”, “CO”
and “O2 are displayed in the component display, indicates current concentration values of the
measured components contained in gas that is now under measurement.
• O2 correction concentration values:
Ch components where “cv**” is displayed as “cv CO” in the component display are calculated
from the following equation, by setting sampling components, O2 instantaneous/concentration
values and O2 correction reference value (see item 6.8).
Setting/selection item
display area
Cursor
Fig. 5-4
20 INZ-TN1ZRE-E
(3) Contents of measured channel (Ch)
The following table gives measurement channels and their contents according to the symbols.
Code symbol
6th digit 7th digit 21st digit Display/output contents
Y 1 to 3 Y Ch1:O2
P Y Y Ch1:NO
A Y Y Ch1:SO2
D Y Y Ch1:CO2
B Y Y Ch1:CO
E Y Y Ch1:CH4
F Y Y Ch1:NO, Ch2:SO2
G Y Y Ch1:NO, Ch2:CO
J Y Y Ch1:CO2, Ch2:CO
K Y Y Ch1:CH4, Ch2:CO
L Y Y Ch1:CO2, Ch2:CH4
N Y Y Ch1:NO, Ch2:SO2, Ch3:CO
T Y Y Ch1:CO2, Ch2:CO, Ch3:CH4
V Y Y Ch1:NO, Ch2:SO2, Ch3:CO2, Ch4:CO
P 1 to 3 Y Ch1:NO, Ch2:O2
A 1 to 3 Y Ch1:SO2, Ch2:O2
D 1 to 3 Y Ch1:CO2, Ch2:O2
B 1 to 3 Y Ch1:CO, Ch2:O2
E 1 to 3 Y Ch1:CH4, Ch2:O2
F 1 to 3 Y Ch1:NO, Ch2:SO2, Ch3:O2
G 1 to 3 Y Ch1:NO, Ch2:CO, Ch3:O2
J 1 to 3 Y Ch1:CO2, Ch2:CO, Ch3:O2
K 1 to 3 Y Ch1:CH4, Ch2:CO, Ch3:O2
L 1 to 3 Y Ch1:CO2, Ch2:CH4, Ch3:O2
N 1 to 3 Y Ch1:NO, Ch2:SO2, Ch3:CO, Ch4:O2
T 1 to 3 Y Ch1:CO2, Ch2:CO, Ch3:CH4, Ch4:O2
V 1 to 3 Y Ch1:NO, Ch2:SO2, Ch3:CO2, Ch4:CO, Ch5:O2
P 1 to 3 A * Ch1:NOx, Ch2:O2, Ch3:corrected NOx
A 1 to 3 A * Ch1:SO2, Ch2:O2, Ch3:corrected SO2
B 1 to 3 A * Ch1:CO, Ch2:O2, Ch3:corrected CO
F 1 to 3 A * Ch1:NOx, Ch2:SO2, Ch3:O2, Ch4:corrected NOx, Ch5:corrected SO2
G 1 to 3 A * Ch1:NOx, Ch2:CO, Ch3:O2, Ch4:corrected NOx, Ch5:corrected CO
J 1 to 3 A * Ch1:CO2, Ch2:CO, Ch3:O2, Ch4:corrected CO
N 1 to 3 A * Ch1:NOx, Ch2:SO2, Ch3:CO, Ch4:O2, Ch5:corrected NOx, Ch6:corrected SO2, Ch7:corrected CO
V 1 to 3 A * Ch1:NOx, Ch2:SO2, Ch3:CO2, Ch4:CO, Ch5:O2, Ch6:corrected NOx, Ch7:corrected SO2,
Ch8:corrected CO
P 1 to 3 C * Ch1:NOx, Ch2:O2, Ch3:corrected NOx, Ch4:corrected NOx average
A 1 to 3 C * Ch1:SO2, Ch2:O2, Ch3:corrected SO2, Ch4:corrected SO2 average
B 1 to 3 C * Ch1:CO, Ch2:O2, Ch3:corrected CO, Ch4corrected CO average
F 1 to 3 C * Ch1:NOx, Ch2:SO2, Ch3:O2, Ch4:corrected NOx, Ch5:corrected SO2, Ch6:corrected NOx average,
Ch7:corrected SO2 average
G 1 to 3 C* Ch1:NOx, Ch2:CO, Ch3:O2, Ch4:corrected NOx, Ch5:corrected CO, Ch6:corrected NOx average,
Ch7:corrected CO average
J 1 to 3 C* Ch1:CO2, Ch2:CO, Ch3:O2, Ch4:corrected CO, Ch5:corrected CO average
N 1 to 3 C* Ch1:NOx, Ch2:SO2, Ch3:CO, Ch4:O2, Ch5:corrected NOx, Ch6:corrected SO2, Ch7:corrected CO,
Ch8:corrected NOx average, Ch9:corrected SO2 average, Ch10:corrected CO average
V 1 to 3 C* Ch1:NOx, Ch2:SO2, Ch3:CO2, Ch4:CO, Ch5:O2, Ch6:corrected NOx, Ch7:corrected SO2,
Ch8:corrected CO, Ch9:corrected NOx average, Ch10:corrected SO2 average,
Ch11:corrected CO average
* When the 21st digit code is A or C, the component of the NO analyzer is displayed as NOx.
INZ-TN1ZRE-E 21
5.4 Basic operation
• Measurement mode
The measurement mode can be displayed Ch
NOX
up to 5 channels in a single screen. If 5 0-200 0. 0 ppm
Ch
SO2
channels or more are to be displayed in a 0-200 0. 0 ppm
Ch
single screen, press the or the key CO2
0-10 0. 0 0 vol%
to scroll the channel one by one. Ch
CO
0-200 0. 0 ppm
Ch
O2
0-25 0. 0 0 vol%
ZERO
Ch
O2
5 0-25 0. 0 0 vol%
Ch
NOX Zero calibration
6
CV.
0-200 0. 0 ppm See 6.9.1.
Ch
SO2
7
CV.
0-10 0. 0 ppm
Span calibration
Ch CV.
CO
8 AV.
0-200 0. 0 ppm
See 6.9.2.
Ch CV.
NOX
9 AV.
0-200 0. 0 ppm
SPAN
Ch CV.
CO
8 AV.
0-200 0. 0 ppm
Ch CV.
NOX
AV.
0-200 0. 0 ppm
Ch CV.
SO2
AV.
0-200 0. 0 ppm
Ch CV.
CO
AV.
0-200 0. 0 ppm
Ch
O2
AV.
0-25 0. 0 0 vol%
ESC MODE
22 INZ-TN1ZRE-E
6. SETTING AND CALIBRATION
ENT
ed.
Press the or the key to select a
desired switch mode.
Description of setting
MR: Select a desired range on this screen.
RR: Select a desired range according to
the remote range switch contact input.
AR: Automatically switched from Range 1
to Range 2 when the measured concen-
tration exceeds 90% of Range 1.
Automatically switched from Range 2
to Range 1 when the measured concen-
tration becomes smaller than 80% of
Range 1.
* Operation set for each Ch only can be ENT
performed.
Range switch
(6) Then press the ENT key to confirm the or previous screen
selection.
If “MR” is selected, the cursor moves to
“Range Switch.”
INZ-TN1ZRE-E 23
6.1.2 Manual range switch
The range of the measured component can be
switched manually as follows.
(1) Select “MR” as range switch mode, and
then press the ENT key.
ENT
24 INZ-TN1ZRE-E
6.2 Calibration setting
This mode is used to set calibration concentration and actions. The calibration setting involves cali-
bration concentration, zero calibration, calibra-
tion range and auto calibration component/range.
In the “Calibration Parameters” screen that ap-
pears, the data shown at right is illustrated.
( ) ENT
value.
(3) Select the concentration item you want
to make the setting by pressing the ,
key or the key (movable within
the selected Ch). ( ) ENT
INZ-TN1ZRE-E 25
(4) Then, enter calibration gas concentration ( ) ENT
End of Calibration
Concentration Setting
To close the setting
To close the calibration concentration value
setting process or cancel this mode midway,
press the ESC
ESC key.
A previous screen will return.
NOx, SO2, CO2, CO, CH4, external O2 Span gas: 1 to 105% of full scale (Full scale (FS)
measurement and buit-in O2 sensor is the same as each range value.)
External Zirconia O2 measurement Zero gas: 5 to 25 vol% / Span gas: 0.01 to 5 vol%
26 INZ-TN1ZRE-E
6.2.2 Setting of manual zero calibration
When zero calibration is made manually, set either all measurement components should be cali-
brated simultaneously or each component should be calibrated while selecting one by one.
(1) Select < User mode > → < Calibration
parameters > → < Zero calibration >.
“Zero Calibration” screen appears as
shown at right.
(2) Select the Ch you want to change by
pressing the or the key. Press the
ENT key and the setting content is high-
lighted.
(3) Select “at once” or “each” by pressing the
or key.
• When selecting “at once”, the Ch (com-
ponents) to be set can be zero-calibrated ( ) ENT
Example
Whether “each” or “at once” can be determined for each Ch (component).
•Setting “each”
Select the Ch (component) on the manual zero calibration screen and then perform the
zero calibration.
INZ-TN1ZRE-E 27
Manual Calibration screen
• When setting all components to “each”: • When setting all components to “at once”:
28 INZ-TN1ZRE-E
6.2.3 Setting of calibration range
This mode is used to set if the range of each Ch (component) at the zero or span calibration (manual
or auto calibration) should be calibrated with a single range or 2 ranges.
calibration is performed.
• If “current” is selected, zero or span cali- End of Calibration Range Setting
bration is performed only for the range
displayed when calibration is performed.
Press the ENT key after the selection, and
the specified calibration is performed.
Example
Ch1 Range 1: 0 to 200 ppm
NOx Range 2: 0 to 2000 ppm both
Ch2 Range 1: 0 to 200 ppm
current
SO2 Range 2: 0 to 2000 ppm
Ch1: Range 1 and Range 2 are calibrated together.
Ch2: Only currently displayed range is calibrated.
INZ-TN1ZRE-E 29
6.2.4 Setting of auto calibration component/range
Select the Ch (component) and the range with which auto calibration is to be performed. The Ch
for which “AR” has been selected as range switch mode is calibrated in the range set here even
when manual calibration is performed.
lighted.
(3) Select the range to be calibrated mainly
by pressing the or the key.
(4) Then press the ENT key, and calibration ( ) ENT
tained.
End of Auto Calibration
(5) Press the key in the state described in component setting
(3), and the highlight is switched between
“enable” and “disable” auto calibration.
(6) Select “enable” of “disable” by pressing
the or the key.
(7) Then press the ENT
key.
30 INZ-TN1ZRE-E
To close the setting
Press the ESC key to exit automatic calibration component/range setting, and the previous
screen appears.
Operation by setting
Auto calibration is performed under the following rules.
1. Zero calibration is performed at the same time, for the Ch (component) with which “enable”
is selected at the time of auto calibration and auto zero calibration.
2. Span calibration is performed in the order from smallest Ch No., for the Ch (component)
with which “enable” is selected at the time of auto calibration.
Note
ZERO calibration on auto calibration and auto zero calibration of the component with
which “enable” is selected are performed in batch irrespective of the description in
“6.2.2 Setting of manual zero calibration.”
INZ-TN1ZRE-E 31
6.3 Alarm setting
6.3.1 Setting of alarm values
The High/Low limit alarm output setting for the measured concentration setting can be made. Ar-
bitrary 5 alarm contact outputs can be used.
To change alarm setting, set the alarm ON/OFF setting to OFF, and then change the value.
( ) ENT
Note
Set the values so that H-limit value > L-limit
value and that (H-limit value-L-limit value)
> hysteresis.
When “0” is set, the alarm operation is not
performed.
( ) ENT
(5) After setting, the alarm setting is now Cursor for setting value
completed by pressing the ENT key.
Setting range
0% to 100% FS (Settable in each range).
( ) ENT
32 INZ-TN1ZRE-E
Description of setting items
The alarm contact assigned the same number as the alarm is operated accordingly.
Channel: Channel setting targeted for issuance of alarm.
One Ch No. can be selected for multiple alarms.
H-Limit value: Sets the high limit value (concentration) of alarm.
L-Limit value: Sets the low limit value (concentration) of alarm.
Kind of Alarm: Selects one of High limit alarm, Low limit alarm, and High limit or Low
limit alarm, HH limit alarm, and LL limit alarm.
High, HH …… Alarm contact closes when above H-limit alarm.
Low, LL …… Alarm contact closes when below L-limit alarm.
High or Low… Alarm contact closes when above H-limit value or
below lower limit value.
ON/OFF: Enables the alarm function if set at ON, or disables it if set at OFF.
* The H-limit value cannot be set below the L-limit value, and the L-limit value cannot be set
above the H-limit value.
If it is desired to set the H-limit value below the L-limit value already stored in the memory,
reduce the L-limit value beforehand, and vice versa.
Ch
Ch (component). SO2
0-200 0.0 ppm
Ch
CO
LL limit alarm) 0-200 0.0 ppm
Ch
O2
0-25 2 1.0 0 vol%
Note
After turning on power, the alarm judgment is inactive for 10 minutes.
INZ-TN1ZRE-E 33
6.3.2 Hysteresis setting
To prevent chattering of an alarm output near the alarm setting values, set the value of hysteresis.
right.
(2) Then, enter hysteresis values.
For the value entry, 1-digit value is in-
creased or decreased by pressing the
or the key, and pressing the key
moves the digit. After setting, press the
ENT
key to make the “Hysteresis” valid.
( ) ENT
Setting range
Hysteresis
width
ON (conductive)
Alarm
Contact output OFF (open)
34 INZ-TN1ZRE-E
6.4 Setting of auto calibration
6.4.1 Auto calibration
Auto calibration is automatically carried out at the time when zero span calibration are set. Before
changing the setting of auto calibration, set the ON/OFF to OFF.
the right.
INZ-TN1ZRE-E 35
<Gas flow time> setting
(1) Press the ENT key in a state where the cur-
sor is placed preceding “Flow Time,” and
the flow time setting screen appears.
(2) Move the cursor to the gas you want to
change by pressing the or the key,
and then press the ENT key.
(3) The highlighted value can be changed.
Change the value by pressing the or
the key, and then move the cursor to
the right by pressing the key.
(4) After changing the value, press the ENT
key. ( ) ENT
36 INZ-TN1ZRE-E
Auto calibration status contact output is closed during auto calibration (NO side), and is open in other
cases.
Example
: Auto calibration
Flow time
(An example of “Ch1: through Ch5: enable”, as given in Item 6.2.4 “Auto Calibration
Components/range”)
Setting range
Caution
v When an auto calibration starts, the measurement screen appears automatically.
v Any operation other than “Stop Auto Calibration” (see Item 6.4.2) is
not permitted during auto calibration. “Stop Auto Calibration” cannot be performed
with the key lock to ON. To cancel auto calibration forcedly, set the key lock to OFF
and then execute “Stop Auto Calibration”.
v Turn on the power again after it is turned off (including the case of power failure) at
the time set as the next start time in auto calibration, and then repeat it in the set cycle.
Remote start
Whether the auto calibration is set at ON or OFF, an auto calibration is available by remote start
input.
With input (hold at least 1.5 sec.)
INZ-TN1ZRE-E 37
6.4.2 Forced run/stop of auto calibration
Auto calibration can be performed just once or forcibly stopped while the calibration is performed.
38 INZ-TN1ZRE-E
“Auto Calibration” screen
Example
In case where setting the auto calibration components (see Item 6.2.4) to
“Ch1: enable” and “Ch2: enable”
• Zero calibration Ch
NOXcal.
ZERO
0-zero200 0.5 ppm
A message, “Zero cal.” blinks Ch
SO2cal.
at Ch1 and Ch2.
ZERO0-200 0.3 ppm
Ch
CO2
0-10 0.0 0 0 vol%
Ch
CO
0-200 0.0 ppm
Ch
O2
0-25 2 1.0 2 vol%
Ch
CO2
0-10 0.0 0 vol%
Ch
CO
0-200 0.0 ppm
Ch
O2
0-25 0.0 0 vol%
Ch
CO2
0-10 0.0 0 vol%
Ch
CO
0-200 0.0 ppm
Ch
O2
0-25 0.0 0 vol%
Caution
During auto calibration, any key operation is not permitted other than operations such
as key lock ON/OFF and “Auto Calibration Stop.”
When the key lock is set at ON, even the “Auto Calibration Stop” cannot be used.
To stop “Auto Calibration” forcedly, set the key lock to OFF and then execute
“Auto Calibration Stop.”
INZ-TN1ZRE-E 39
6.5 Setting of auto zero calibration
6.5.1 Auto zero calibration
Auto zero calibration is automatically carried out at the time when zero calibration is set.
Components for which a calibration is to be made are determined by setting of auto calibration
component in Item 6.2.4.
Before changing the setting of auto zero calibration, set the ON/OFF to OFF.
40 INZ-TN1ZRE-E
Auto calibration status contact output is closed during auto zero calibration (NO side), and is open in
other cases.
Example
In case where auto zero calibration is carried out at the above setting.
Zero Replace-
calibration ment
time
300sec 300sec
Setting range
Caution
• When an auto zero calibration starts, the measurement screen automatically appears.
• Any operation other than “Auto Zero Calibration Stop” (see Item 6.5.2) is not permitted
during auto zero calibration. “Auto Zero Calibration Stop” cannot be performed with
the key lock to ON. To cancel auto zero calibration forcedly, set the key lock to OFF
and then execute “Auto Zero CalibrationStop”.
• If the auto calibration period and auto zero calibration period have overlapped, the auto
calibration is retained, ignoring the auto zero calibration of that period.
• When the hold setting is set to ON, the hold time of auto calibration contact and
measurement value output signal is extended after calibration for gas replacement time.
Remote start
Whether the auto zero calibration is set at ON or OFF, an auto zero calibration is available by
remote start input.
With input (hold at least 1.5 sec.)
INZ-TN1ZRE-E 41
6.5.2 Forced run/stop of auto zero calibration
Auto zero calibration can be performed just once, or auto zero calibration can be forcibly stopped
during calibration.
42 INZ-TN1ZRE-E
“Auto Zero Calibration” screen
Example
In case where setting the auto calibration components (see Item 8.2.4) to
“Ch1: enable” and “Ch2: enable”
Ch
• Zero calibration NOXcal.
ZERO
ZERO
0-200
cal. 0.5 ppm
Ch
A message, “Zero cal.” blinks SO2cal.
ZERO
ZERO
0-200
cal. 0.3 ppm
Ch
CO
0-200 0.0
.
ppm
Ch
O2
0-25 2 1.0 2 vol%
Caution
During auto zero calibration, any key operation is not permitted other than operations such
as key lock ON/OFF and “Auto Zero Calibration Stop.”
When the key lock is set at ON, even the “Auto Zero Calibration Stop” cannot be used.
To stop “auto zero calibration” forcedly, set the key lock to OFF and then execute
“Auto Zero Calibration Stop.”
INZ-TN1ZRE-E 43
6.6 Parameter setting
It allows you to carry out the parameter setting such as time, key lock, etc., as required.
Items to be set are as follows:
Description of setting items
• Current Time : Current year, month, date, day of the week, hour, and minute setting
(The display appears in this order.)
Note) The clock backup time is 2 days. If power is turned on after it is kept off
for 2 days or longer, make the time setting again.
• Key Lock : Invalidates any key operation except canceling the key lock.
• Output Hold : Sets whether Calibration Output is held or not, and the holding value setting.
• Response time : Sets the response time of electrical system.
• Average Period : Sets the moving average time.
• Backlight Timer : Sets automatic OFF of the backlight of display unit and the time until backlight out.
• Contrast : Adjusts contrast of the LCD.
• Maintenance mode : Enters passwords to switch to the Maintenance mode.
( ) ENT
44 INZ-TN1ZRE-E
Setting Range
• Hold setting : 0 to 100% FS
• Response time : 1 to 60 sec. (Initial value: 15 sec)
• Average period : 1 to 59 min or 1 to 4 hours (Initial value: 1 hour)
1 to 59 minutes when the unit is set to minute and 1 to 4 hours when it
is set to hour.
• Backlight Timer : 1 to 60 min (Initial value: 5 min)
• Maintenance mode : 0000 to 9999 (Initial value: 0000)
Output Hold
By setting an output hold to ON, an output signal of each channel are held during the manual/auto
calibration and for the gas flow time (refer to Item 6.4, Setting of Auto Calibration). Regardless
of Hold ON/OFF setting, an output signal can be held via an external input.
1 Manual calibration
ZERO
or
Press the ENT key to flow gas.
SPAN
To execute calibration, press the ENT key.
Calibration
Hold extending
Output hold time
Time set to gas flow time (See Item 6.4 Auto Calibration.)
2 Auto calibration
Auto calibration start Auto calibration end
Calibration
3 Remote hold
With input
Output hold
INZ-TN1ZRE-E 45
5 If calibration is cancelled after the calibration gas is supplied regardless of during manual/auto
calibration, the holding extending time will be performed.
6 You can select the value for hold from the value immediately before entering output hold, “cur-
rent,” and arbitrary value, “setting.”
Follow the procedures shown below to make the setting.
ENT
46 INZ-TN1ZRE-E
ENT
key.
Meaning of setting
The setting is expressed in % against the range
for both ranges.
ENT
When 0 to 1000 ppm is selected as the range,
for example, if 10% FS is selected as hold
setting, the output equivalent to 100 ppm is End of Hold Setting
output and held irrespective of the measure-
ment value at that time. ESC
Description of setting
• Instantaneous value display of the measurement cannot be held. (Output only can be held.)
• If set value is selected for hold, instantaneous O2 correction value is calculated and held
based on the set value.
• Range identification contact output cannot be switched even if the range is switched during
the hold.
Response time
The response time of the electrical system can
be changed.
Setting is available by components.
Note) It does not provide exact seconds for
the setting time, but it gives a guide
of the setting time.
The setting value can be modified as
requested by the customer.
INZ-TN1ZRE-E 47
Average period
It allows you to set an average period of the
average value of O2 correction and O2 average.
It enables you to set an average time of 1 to 59
minutes (1-minute step) or 1 to 4 hours (1-hour
step).
Changing the setting resets the average value
of O2 correction and O2 average value. (Press-
ing the ENT validates the resetting only for
components whose setting was changed.)
Average value
Time
1 Time
48 INZ-TN1ZRE-E
Backlight Timer
Automatic OFF setting of the backlight of the LCD unit can be made.
When the specified time elapses from when the measurement screen is resumed, the backlight is
automatically turned off. Press any key to reset backlight OFF.
Contrast
Contrast of the LCD can be adjusted. The
contrast changes by pressing the or the
key. Adjust to the best contrast and determine
it by the ENT key.
Maintenance mode
Enter the password and then press the ENT key to enter the maintenance mode. The password can
be set by the password setting in maintenance mode. Default password setting at the time of de-
livery from the factory is “0000.” You can enter the maintenance mode with the value before the
password is changed.
INZ-TN1ZRE-E 49
6.7 Maintenance mode
This mode is used for check of sensor input values, display of error log files or setting of pass-
words, etc. First, enter a password and then use it from the next operation. This mode is displayed
by selecting the Maintenance Mode from “Item 6.7 Parameter Setting.”
(1) Select the Maintenance Mode from the
Parameter Setting screen to display the
Password Setting screen.
(2) Enter the password, and the Maintenance
Mode item selection screen will be dis-
played. Point the cursor to the item you
want to set by pressing the or the
key and press the ENT key.
(3) Next, each Maintenance screen is dis-
played.
Note) “To Factory Mode” is used for our
service engineers only. ( ) ENT
50 INZ-TN1ZRE-E
• Calibration Log screen
INZ-TN1ZRE-E 51
• Output adjustment screen
Caution
Be sure to perform zero / span calibration when the range setting is changed.
Otherwise, the measurement value may not be output properly.
52 INZ-TN1ZRE-E
• Other parameter
Description of each setting screen
INZ-TN1ZRE-E 53
<How to set/change the range>
The measuring range can be arbitrarily selected in
the minimum and the maximum range specified at
the time of purchase. The range to be used can be
selected 1 or 2.
ENT
ENT
key.
54 INZ-TN1ZRE-E
6.8 Calibration
ZERO
( )
(2) Select the Ch (component) to be cali-
brated by pressing the or the key.
After selection, press the ENT key, and
zero gas will be supplied.
Caution
For the Ch (components) that is set to
“both” in the “Zero Calibration” of the
Calibration Setting mode, zero calibration
is also carried out at the same time.
ENT
(3) Wait until the indication is stabilized with
the zero gas supplied. After the indica-
tion has been stabilized, press the ENT
key. Zero calibration in range selected by
the cursor is carried out.
INZ-TN1ZRE-E 55
6.8.2 Span calibration
It is used to perform a span point adjustment. Supply calibration gas with concentration set to the
span value to perform the span calibration. For the span calibration gas for the NOX, SO2, CO2,
CO measurement, use the standard gas with a concentration of 90% or more of the range value.
For the span calibration gas for the O2 measurement, use the standard gas with a concentration of
90% or more of the range value when measuring with the built-in O2 sensor, and use the standard
gas of about 2 vol% when measuring with an external zirconia O2 sensor.
SPAN
( ) ENT
56 INZ-TN1ZRE-E
7. MAINTENANCE
higherd. (2) Air is absorbed midway (2) Find out cause of leak and
in the sampling pipe. repair.
Purge gas flow is Standard flow is beyond Adjust by needle valve of flow
included when purging the specified flow rate rater.
gas in sampling gas of 0.5L/min, 0.3 to
flow rate. 0.7L/min.
Zero point of gas It is deflected from zero
Weekly check
Zero adjustment
analyzer point.
phenomena
INZ-TN1ZRE-E 57
7.3 Cleaning of sampling cell
Entry of dust or water drops in the sampling cell contaminates the interior of the cell, thus resulting
in a drift. Clean the inside if dirty. Then, check the sampling device, especially the filter, to prevent
the cell from being contaminated by dust or mist.
Sampling cell
Screw
MO
DE
ZE
RO
SP
AN
EN
TE
R
ES
C
58 INZ-TN1ZRE-E
No. Name
1 Screw (for fixing the light source unit)
2 Screw (for fixing the detector)
3 Screw (for fixing the base plate)
4 Base plate
5 Light source unit
6 Screw (for fixing the support)
7 Screw (for fixing the cell retainer)
8 Chopper motor connector
(9) Filter
10 Support
11 Cell retainer
12 Pipe cell
13 O-ring
14 Infrared transmission window
15 Detector
16 Bridge PCB
17 Bridge resistance
(18) Detector: Installed in 2-component analyzer only
17
7 16
11
7 (18)
11 12
14 (9)
13 15
10
1
10
5
8 2
4 6
INZ-TN1ZRE-E 59
(2) How to remove block cell (See Fig. 7-2)
1) For Step 1) to 4), see Item 7.3.1, (1) How to remove pipe cell.
5) Remove the connector to the detector output cord from the printed board.
6) Unscrew the two screws (No. 10) that hold the detector to the infrared ray light source unit
to remove the detector from the measuring unit. The cell can be removed together with the
detector.
7) To remove the cell, unscrew the two screws (No. 6) holding the cell to the detector. The
infrared transmission window is just sandwiched (not fixed) between the detector and block
cell. Keep the detector facing up, when removing this window.
8) For assembly, reverse the disassembly procedures.
Note) The O-ring is placed between the window holder and cell. Take care about the
O-ring position. With 2-component analyzer, install 2-component detector last.
Take care so that no space is left between the 1-component and 2-component detec-
tors. When inserting the detector output cord connector into the printed board, be
careful about the plugging position.
60 INZ-TN1ZRE-E
No. Name
1 Screw (for fixing the light source unit)
(2) Filter
3 Screw (for fixing the detector)
4 Base plate
5 Light source unit
6 Screw (for fixing the block cell)
7 Block cell
8 Infrared transmission window (window holder)
9 O-ring
10 Screw (for fixing the base plate)
11 Chopper motors connector
12 Detector
(13) Detector: Install in the 2-component analyzer
(14) Screws: For mounting the 2-component detector
(14)
(13)
10
6 12
1 (2)
8
9
7
3
5
11
INZ-TN1ZRE-E 61
3) How to remove measuring unit (See Fig. 7-3)
1) For Step 1) to 4), see Item 7.3.1(1), How to remove pipe cell.
5) Remove the detector output cord connector from the printed board.
6) Remove wiring to the 2-pin terminals of the infrared ray light source assembly and chopper
motor pin connector (No. 8) from the printed board.
7) Detach the 4 screws (No. 3) fastening the base plate (No. 4) to remove the measuring unit.
Note) Special care should be taken when assembling or disassembling the measuring cell
to avoid the application of force to the detector pipe or infrared ray light source unit
pipe. If the pipe is deformed or damaged by excessive force, there is a danger of gas
leak, thus resulting in misoperation.
No. Name
1 Screw (for fixing the light source unit)
2 Screw (for fixing the detector)
3 Base plate
4 Light source unit
5 Screw (for fixing the block cell)
6 Block cell
7 Infrared transmission window
8 O-ring
9 Detector
10 Screw (for fixing the base plate)
11 Support
12 Screw (for fixing the cell retainer)
13 Cell retainer
14 Pipe cell 12
15 O-ring
13
16 Infrared transmission window 12
17 Screw (for fixing the detector)
18 Detector 13 14
18
16
15
11
11
5
2
1 9
7
4 8
6
5
17
10
3
10
Fig. 7-3 Configuration of measuring unit (2-component analyzer: block cell + pipe cell)
62 INZ-TN1ZRE-E
7.3.2 How to clean cell
To clean the cell inside or infrared ray transmission window, first clear large dirt of it with a soft
brush and then wipe with soft cloth lightly.
1) Don’t use hard cloth.
Note) Handle the fragile window with care. Use care not to rub off the dirt from the win-
dow roughly.
2) If the window or the cell interior is very dirty, use a soft cloth moistened with absolute alco-
hol.
3) If the window is corroded, rub off the scale from the window lightly with a soft cloth to
which chrome oxide powder is applied. If it is excessively corroded, it should be replaced
with new one.
4) When the cell or window cleaning is completed, assemble according to the cell disassembly
and assembly procedures. Especially, the pipe should be closely connected without gas leak,
and repair if the pipe is bent.
5) Avoid washing the cell with water.
INZ-TN1ZRE-E 63
8. ERROR MESSAGE
If errors occur, the following contents are displayed.
64 INZ-TN1ZRE-E
Screen display and operation at the occurrence of error
In case of Error No. 1 to No. 4, No. 6, No. 8 to No. 10
Ch
NONo.9
Error
0-25
2
0 0.8 ppm
ENT
Ch
SO2
0-200 1 3.6 ppm
Ch
CO2
0-10 0.0 0 0 vol%
Ch ESC
CO
0-200 0.0 ppm
Ch
O2
0-25 2 1.0 0 vol%
ENT
Calibrated
forcedly
Ch
Calibration is continued. Unless another calibration NO2
0-25 9 0.8 ppm
Ch
CO2
0-10 0.0 0 0 vol%
Ch
CO
0-200 0.0 ppm
Ch
O2
0-25 0.0 9 vol%
INZ-TN1ZRE-E 65
Error log file
If error occurs, the history is saved in an error log file. The error log file exists in the mainte-
nance mode.
New
Old
* Up to 14 errors can be saved in the error history; the oldest error will be deleted one by one every
time a new occurs.
* If the power supply is turned OFF, the contents in the error log file will not be lost or damaged.
Press the ENT key on the above screen, and the “Error Log Clear” will be highlighted. Further
pressing the ENT key will clear the error history.
66 INZ-TN1ZRE-E
9. SPECIFICATIONS
(1) Signal from Fuji’s Zirconia O2 sensor
9.1 General specifications (TYPE: ZFK7)
1. Standard Specifications (2) 0 to 1V DC from an O2 sensor
Input section is not isolated. This
Principle of measurement: feature is effective when an O2 sensor
NO, SO2, CO2, CO, CH4 ; is not built in.
Non-dispersion infrared-ray absorption * Externally installed O2 sensor should
method be purchased separately.
Single light source and single beams Digital output: (Option)
(single beam system) 1c contact (24V DC/1A, resistive load)
O2 ; Fuel cell O2 sensor (built in) or zirconia max.15 outputs
O 2 sensor (externally installed TYPE: Instrument error, calibration error,
ZFK7) range identification, auto calibration
(Built in paramagnetic O2 sensor will be status, High/Low limit alarm contact
next revision.) output
Measurable gas components and measuring range: * All relay contacts are isolated mutually
and from the internal circuit.
Minimum range Maximum range
Digital input: (Option)
NO 0 - 200ppm 0 - 5000ppm
Voltage contact (Supply 12 to 24V DC/
SO2 0 - 200ppm 0 - 10vol%
15mA max. at ON) max. 9 inputs
CO2 0 - 100ppm 0 - 100vol%
Remote range switch, auto calibration
CO 0 - 200ppm 0 - 100vol%
remote start, remote holding, average
CH4 0 - 500ppm 0 - 100vol%
O2
value resetting, Isolated from the inter-
built in 0 - 10vol% 0 - 25vol% nal circuit with photocoupler.
fuel cell Power supply: Voltage rating ; 100V to 240V AC
O2
External 0 - 5vol% 0 - 25vol% Allowable range ; 85V to 264V AC
Zirconia Frequency ; 50Hz/60Hz
Note) Built-in magnetic O2 sensor is available
Power consumption ; 100VA max.
in the near future.
Operation conditions:
• Max. 5 components measurement includ- Ambient temperature ;
ing O2. -5˚C to 45˚C
• Measuring range ratio max. 1:10 (40˚C max. when 2 optical
• Measuring ranges are changeable be- system at 200V AC power
tween the specified minimum and maxi- source)
mum range Ambient humidity ; 90% RH max.,
Settable one range or two ranges non-condensing
• For possible combinations of components Storage conditions:
and ranges, refer to Table1. Ambient temperature ; -20˚C to 60˚C
Measured value indication: Ambient humidity ; 100% RH max.,
Digital indication in 4 digits non-condensing
(LCD with back light) Dimensions (H × W × D):
• Instantaneous value of each compo- 19-inch rack mounting type:
nent 133 x 483 x 418mm
• Instantaneous value after O2 correction Panel mounting type:
(only in NO, SO2, CO measurement with 133 x 443 x 418mm
O 2) Mass: Approx. 8 kg
• Average value after O2 correction Finish color: Front panel; Black (DIC P 1000-F)
(only in NO, SO2, CO measurement with Cool gray (PANTON IC-F)
O 2) Casing; Cool gray (PANTON IC-F)
• O2 average value Enclosure: Steel casing, for indoor use
Analog output signals: Material of gas-contacting parts:
4 to 20mA DC or 0 to 1V DC, Gas inlet/outlet; SUS304
isolated internally from circuit and ground; Sample cell; SUS304,chloroprene rub-
12 outputs max. ber
max. load 550W for 4 to 20 mA DC Infrared-ray transmitting window; CaF2
min. load 100kW for 0 to 1V DC O2 sensor sample cell : SUS316
* Refer to Table2 for the channel No. of Internal piping; Toaron, Teflon
displayed values and analog output Gas inlet/outlet: Rc1/4 or NPT1/4 internal thread
signals. Purge gas flow rate: 1L/min ( when required)
Analog input signal: Life time of fuel cell O2 sensor:
For signal input from externally installed 2 years
O2 sensor.
Signal requirement;
INZ-TN1ZRE-E 67
2. Standard Functions Auto calibration cycle setting:
Auto calibration cycle is set.
Output signal holding: Setting is variable within 1 to 99 hours
Output signals are held during manual and (in increments of 1 hour) or 1 to 40 days
auto calibrations by activation of holding (in increments of 1 day).
(turning “ON” its setting). Gas flow time setting:
The output to be held are the ones just The time for flowing each calibration gas
before start calibration mode or setting in auto calibration is set.
value. Settable within 60 to 900 seconds (in
It is selectable. increments of 1 second)
Indication of instantaneous values will Auto calibration remote start:
not be held. Auto calibration is carried out only once
Switch ranges: The switch ranges function is available in according to an external input signal.
manual, auto, and remote modes. Only Calibration sequence is settable in the
preset switch method is effective. same way as the general auto calibra-
Manual: Allows range to switch by key opera- tion.
tion. Auto calibration is started by opening the
Auto: Allows range to switch from low to high auto calibration remote start input termi-
range when 90%FS or more is available nals after input voltage for 1.5 seconds
in the low range. or longer.
Allows range to switch from high to low Auto zero calibration:
range when 80%FS or less is available Auto zero calibration is carried out peri-
in the low range. odically at the preset cycle.
Remote: Voltage contact input (for measurable This cycle is independent on “Auto cali-
(Option) components) bration” cycle.
Allows range to switch via an external When zero calibration gas and solenoid
signal when remote range switch input valve for opening/closing the calibration
is received. gas flow line are prepared externally by
When the contact input terminals for the customer, zero calibration will be
each component are input voltage, the carried out with the solenoid valve drive
first range is selected, and it is switched contact for zero calibration turned on/off
to the second range when the terminals at the set auto zero calibration timing.
are open. Auto zero calibration cycle setting:
Auto zero calibration cycle is set.
3. Optional Functions Setting is variable within 1 to 99 hours (in
increments of 1 hour) or Setting is vari-
Remote output holding: able within 1 to 40 days (in increments
Output signal is held at the latest value or of 1 day)
setting value by voltage input the remote Gas flow time setting:
output holding input terminals. The timing for flowing zero gas in auto
Holding is maintained while the voltage zero calibration is set.
input the terminals. Indication of instan- Settable 60 to 900 seconds (in increments
taneous values will not be held. of 1 second)
Range identification signal: High/low limit alarm:
The present measuring range is identified Alarm contact output turns on when mea-
by a contact signal. surement value reach the preset high or
The contact output terminals for each low limit alarm value.
component turn on when the first range Contacts turn on when the channel value
is selected, and when the second range of each channel exceeds the high alarm
is selected, the terminals are open. limit value or falls below the low alarm
Auto calibration: limit value.
Auto calibration is carried out periodically Instrument error contact output:
at the preset cycle. Contacts turn on at occurrence of analyzer
When a standard gas cylinder for cali- error No. 1, 2, 3 or 10.
bration and a solenoid valve for open- Calibration error contact output:
ing/closing the gas flow line are prepared Contacts turn on at occurrence of manual
externally by the customer, calibration or auto calibration error (any of errors No.
will be carried out with the solenoid 4 to 9).
valve drive contacts for zero calibration Auto calibration status contact outputs:
and each span calibration turned on/off Contacts turn on during auto calibra-
sequentially at the set auto calibration tion.
timing.
68 INZ-TN1ZRE-E
O2 correction: Correction of measured NO, SO 2 and 4. Performance
CO gas concentrations into values at
reference O2 concentration Repeatability: ±0.5% of full scale
Linearity: ±1% of full scale
Correction formula: Zero drift: ±2% of full scale/week
In the case of auto zero calibration use
21-On
C = –––––––– x Cs for 500ppm or less range
21-Os Span drift: ±2% of full scale/week
C : Sample gas concentration after O2 Response time (for 90% FS response) :
correction 1 to 15 sec electrical response
CS : Measured concentration of sample Within 60 seconds including replacement
gas time of sampling gas (when gas flow rate
OS : Measured O2 concentration (Limit is 0.5L/min)
setting: 1 to 20% O2) Gas replacement time depends on the
OV : Reference O2 concentration number of measuring components,and
(value changeable by setting.0 to measuring range.
19% O2) Interference from other gases:
Average value after O2 correction and O2 average value
calculation: Interference CO2 CO CH4 SO2 NO
component analyzer analyzer analyzer analyzer analyzer
The result of O2 correction or instanta-
CO ≤1%FS ≤1%FS ≤1%FS ≤1%FS
neous O2 value can be outputted as an 1000ppm ––
average value in the preset period of
≤1%FS
time. for 200ppm
CO2 15% –– ≤1%FS ≤1%FS ≤2%FS
Used for averaging is the moving average analyzer,
method in which sampling is carried out ≤2.5%FS
INZ-TN1ZRE-E 69
6. Standard Requirements for Sample Gas
Flow rate: 0.5L/min ± 0.2L/min
Temperature: 0 to 50˚C
Pressure: 10 kPa or less (Gas outlet side should
be open to the atmospheric air.)
Dust: 100 µg/Nm3 or less in particle size of 0.3
µm or less
Mist: Unallowable
Moisture: Below a level where saturation occurs at
room temperature (condensation unallow-
able).
Below the level where saturation occurs
at 2˚C for CO measurement in 0 to 200
ppm range, NO measurement, and SO2
measurement.
Corrosive component:
1 ppm or less
Standard gas for calibration:
Zero gas ; Dry N2
Span gas ; Each sample gas having
concentration 90 to 100% of
its measuring range (recom-
mended).
In case a zirconia O2 analyzer is installed
externally and calibration is carried out
on the same calibration gas line:
Zero gas ; Dry air or atmospheric air
Span gas ; For other than O2 measure-
ment, each sample gas hav-
ing concentration 90 to 100%
of its measuring range
For O 2 measurement, O 2
gas of 1 to 2 vol%/remains
N2 gas
7. Installation Requirements
• Indoor use (Select a place where the equipment does
not receive direct sunlight, draft/rain or radiation from hot
substances. If such a place cannot be found, a roof or
cover should be prepared for protection.)
• Avoid a place where unit receives heavy vibration
• Select a place where atmospheric air is clean
70 INZ-TN1ZRE-E
9.2 Code symbols
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Digit
Digit Description note ZRE 1 Y
4 <Housing>
Fuji Standard 19 inch housing A
5 <Mounting>
19-inch rack mounting type EIA conformity B
19-inch rack mounting type JiS conformity C
Panel mounting type D
6 <Measurable component (NDIR)> note1
1st component 2nd component 3rd component 4th component
None - - - note2 Y
NO - - - P
SO2 - - - A
CO2 - - - D
CO - - - B
CH4 - - - E
NO SO2 - - F
NO CO - - G
CO2 CO - - J
CH4 CO - - K
CO2 CH4 - - L
NO SO2 CO - N
CO2 CO CH4 - T
NO SO2 CO2 CO V
Others Z
7 <Measurable component (O2)> note3
None Y
External O2 analyzer 1
External zirconia O2 sensor (ZFK7) 2
Built-in fuel cell O2 sensor 3
8 <Revision code> 1
9 <Measuring range (NDIR)>1st component, 1st range note4
10 <Measuring range (NDIR)>1st component, 2nd range note4
11 <Measuring range (NDIR)>2nd component, 1st range note4
12 <Measuring range (NDIR)>2nd component, 2nd range note4
13 <Measuring range (NDIR)>3rd component, 1st range note4
14 <Measuring range (NDIR)>3rd component, 2nd range note4
15 <Measuring range (NDIR)>4th component, 1st range note4
16 <Measuring range (NDIR)>4th component, 2nd range note4
17 <Measuring range (O2)>
None Y
0-5/10% A
0-5/25% B
0-10/25% C
0-5% L
0-10% M
0-25% V
0-50% P
0-100% R
Others Z
18 <Gas connection>
Rc1/4 1
NPT1/4 2
19 <Output>
DC0-1V A
DC4-20mA B
DC0-1V+Communication function C
DC4-20mA+Communication function D
20 <Language>
Janpanese J
English E
21 <O2 correction and O2 correction average output> note5
None Y
O2 correction A
O2 correction and O2 correction average C
22 <Optional function (DIO)> note6
FAULT A. Cal. H/L Alarm RangeID/Remote range note1
None Y
A
B
C
D
E
F
G
H
INZ-TN1ZRE-E 71
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Digit
Digit Description note ZRE 1 Y
24 <Unit>
ppm, % A
mg/m3, g/m3 note7 B
25 <Adjustment>
For standard A
For heat treatment furnace C
For converter D
Others note8 Z
26 <Others>
None standard Z
<RANGE CODE>
Range Code
None Y
0-100ppm B
0-200ppm C
0-250ppm D
0-300ppm S
0-500ppm E
0-1000ppm F
0-2000ppm G
0-2500ppm U
0-3000ppm T
0-5000ppm H
0-1% J
0-2% K
0-3% Q
0-5% L
0-10% M
0-20% N
0-25% V
0-40% W
0-50% P
0-70% X
0-100% R
Others Z
note1) “A. Cal.” must be specified at 22nd digit, in the case of 500 ppm or less range.
note2) When only O2 measurement is necessary, “Y” should be specified at the 6th digit.
note3) When “1” is specified at 7th digit, O2 pt sensor signal has to be set as 0-1V DC linear corresponding to full
scale.
External zirconia O2 sensor and external O2 analyzer are not included in the scope of supply, and has to be sepa-
rately ordered.
note4) Refer to Tables 1 for possible combination of measuring components and ranges in the data sheet.
When “Y” is specified at 6th digit, “Y” should be specified at 9th to 16th digit.
note5) O2 correction is calculated only for NO, SO2 and CO
note6) When 5 components measurement is specified, “H” must not be specified at 22nd digit.
When 4 components measurement is specified and “H” is specified at 22nd digit, 3 point is maximum for alarm
output function.
note7) When “B” is specified at 24th digit, measuring range should be specified by ppm range code.
In this case NO,SO2 and CO measuring range are corresponding range in mg/m3.
Please refer to the table shown below for the corresponding range code based on “mg/m3”.
note8) When A to D is specified on the 25th digit, the analyzer will be adjusted and delivered with the following gasses.
Standard “A”: balance gas N2
For heat treatment furnace “C”: balance gas 30%H2 / remains N2
For converter “D”: balance gas CO, CO2
When other adjustment is required, please specify “Z”.
When “Z” is specified, please attach a list of gas composition contained in the measuring gas.
Corresponding mg/m3
Corresponding range in mg/m3
Range code Unit : ppm NO SO2 CO
C 0-200ppm 0-260mg/m3 0-570mg/m3 0-250mg/m3
D 0-250ppm 0-325mg/m3 0-700mg/m3 0-300mg/m3
S 0-300ppm 0-400mg/m3 0-850mg/m3 0-375mg/m3
E 0-500ppm 0-650mg/m3 0-1400mg/m3 0-600mg/m3
F 0-1000ppm 0-1300mg/m3 0-2800mg/m3 0-1250mg/m3
G 0-2000ppm 0-2600mg/m3 0-5600mg/m3 0-2500mg/m3
The conversion formula "ppm" unit into "mg/m3" unit.
NO (mg/m3) = 1.34 × NO (ppm)
SO2 (mg/m3) = 2.86 × SO2 (ppm)
CO (mg/m3) = 1.25 × CO (ppm)
72 INZ-TN1ZRE-E
9.3 Outline diagram
<Analyzer main unit>
(Unit : mm)
<Top view>
384
ZRE- GAS ANALYZER
Power Switch
149
ENTER
132.5
<Front view>
FL1 FL2
ESC
POWER
DIO3
RS485 A/O
A/I ‚o‚t‚q‚f‚d ‚h‚m‚k‚d‚s‚P ‚n‚t‚s‚k‚d‚s‚P
<Rear view>
124.5
Made in Japan
INFRARED?@GAS?@ANALYZER
A
DIO2
TYPE
0-
0-
0- ‚h‚m‚k‚d‚s‚Q ‚n‚t‚s‚k‚d‚s‚Q
Dimension A
0-
OUTPUT DC
0- U SE
JIS 50mm
F
435
INZ-TN1ZRE-E 73
Sales Div. III, International Sales Group
Global Business Group
Gate City Ohsaki, East Tower, 11-2, Osaki 1-chome,
Shinagawa-ku, Tokyo 141-0032, Japan
http://www.fesys.co.jp/eng
http://www.fic-net.jp/eng
Phone: 81-42-585-6201, 6202 Fax: 81-42-585-6187