Vibration Meter IRD811D
Vibration Meter IRD811D
Vibration Meter IRD811D
www.irdmechanalysis.com
The IRD Mechanalysis model IRD811D portable digital vibration meter is suitable for most industrial applications with an easy to
read digital display. Hand held it measures machinery vibration in terms of displacement (microns), velocity (mm/sec), acceleration
(g) and Spike EnergyTM (gSETM). Its integrated circuit technology provides wide dynamic range and long battery life.
From precision bearing inspection to plant-wide maintenance, the IRD811D has the sensitivity for measuring fractions of a
micrometer to 2000 microns. Also, the widely acclaimed IRD Spike EnergyTM (gSETM) circuit is included. The broadband
measurement of gSETM enables detection and measuring of bursts of spike energy at ultrasonic frequencies. Bearing defects
developing such as micro spalls, cracks and lack of lubrication can be quickly identified thus preventing unscheduled plant outage.
BILL OF MATERIALS
IRD811D Digital Vibration Meter
Accelerometer Multi-purpose, model IRD511 - 100 mV/g, 2.0
Hz - 10 kHz, top connector
Cable Assembly for model IRD811D to IRD511 Accelerometer
sensor - 1.2m (4ft), rubber insulated, shielded
Magnetic Portable Base, IRD500 Series Accelerometers
Stinger, Al 225mm long for Sensor
Carrying Case
Battery Set, 2 Nos. of 9V, 100mAH Dry Cells
Manual Operating
Qty
1
1
Part Number
M81102
M51100
M60022
1
1
1
1
1
M24828
M24827
M25346
M30642
M43082
Optional Accessories
Shaft Fish Tail Stick - Absolute Vibration for IRD544
Manual Training - IRD MVT 1
Part Number
M24824
M51001
SPECIFICATION
Measurement Ranges
Displacement:
Velocity:
Acceleration:
Spike EnergyTM
RMS
Frequency Range
Displacement:
Velocity:
Acceleration:
Accuracy
Instrument:
Input / Output
Input:
Output:
- Accelerometer
- LC Digital Display (3 Digit)
Power Requirements
Internal Batteries:
Environmental
Operating temp:
Storage temp:
- 0C to +55C
- -18C to +60C
The Vibration People of IRD Mechanalysis can be contacted at the following branches or your local distributor:
Mumbai
Delhi
Kolkata
Tel: +91(0)22-2852-0178
Tel: +91(0)33-2355-2062
Tel: + 91(0)11-2237-3916
Fax: +91(0)22-2852-1814
Fax: +91(0)33-2355-9214
Fax: +91(0)11-2237-0778
sales@irdmech.com
salesER@irdmech.com
salesNR@irdmech.com
Service@irdmech.com
Chennai
International
Tel: +91(0)44-2823-0726
Fax: +91(0)44-2823-4702
salesSR@irdmech.com
Tel: +91-22-2852-0178
Fax: +91-22-2852-1814
sales@irdmech.com
Service@irdmech.com
Spike Energy and gSE are registered trademarks of former IRD Mechanalysis Inc.
IRD Mechanalysis Ltd. strives to continue to improve the above specification and retains the right to change them without notice
www.irdmechanalysis.com
The IRD Mechanalysis model IRD511 is a standard accelerometer for measuring vibration on industrial
rotating machinery. It has a top exit Mil 2 pin Connector. This sensor is primarily used with portable
meters. A magnetic mount is available as optional accessory for routine vibration measurements. The
IRD511 is supplied with all IRD Vibration Meters as standard.
Applications: Applies to most Process Plants using Compressors, Blowers, Conveyors, Cooling Tower
Fans, ID, FD, PA Fans, CW Pumps, Gear Boxes, Motors, Paper Machinery, Turbines etc.
BILL OF MATERIALS
Accelerometer IRD511
Sensor Mounting Adaptor
Stud, M6
Calibration Certificate
Qty
1
1
1
Part Number
M5111005001000
M60154
CCIRD511
0.5-8.0mA
Current diode
Optional Accessories
Magnetic Portable Mount
Cable 15.2m with Mil
connector
Sensor Pad SS for Accel.
Stud QuickFit to M8 Male
Qty
Part No.
M24828
M60048
M60118
Typical Connection
+18 - 30V
2.2uF
Pin A
Voltage
Output (A.C)
Sensor
Input
Pin B
DC Bias
Readout/
Monitoring
System
470K
0 Volts
Technical Performance
Mounted Base Resonance
Sensitivity
Frequency Response
22 kHz (nominal)
100 mV/g + 10% Nominal 80 Hz at 22C
2 Hz to 10 kHz 5%
0.8 Hz to 15 kHz + 3 dB
Base isolated
+ 80g
Less than 5%
Isolation
Measurement Range
Transverse Sensitivity
Electrical
Electrical Noise
Current Range
Bias Voltage
Settling Time
Output Impedance
Case Isolation
0.1 mg max
0.5 mA to 8 mA
10 12 Volts DC
2 seconds
200 Ohms max
>108 Ohms at 500 Volts
Environmental
Operating Temperature Range
Sealing
Maximum Shock
Emissions
Immunity
-55 to 140C
IP67
5000 g
EN61000-6-4:2001
EN61000-6-2:1999
Mechanical
Case Material
Sensing Element /Construction
Mounting Torque
Weight
Maximum Cable length
Connector
Mounting
Options
Stainless Steel
PZT / Compression
8 Nm
110 gms (nom)
1000 meters
2-pin Mil-C-5015
28 UNF Female
Connector Assemblies & Mountings
IRD Mechanalysis, an ISO9001:2008 company, continuously improves its products. It therefore retains the right to change the above specification without notice.
www.irdmechanalysis.com
Cable/Conn Type
08 Fire Retardant
connector
50 Mil 2 Pin Connector
54 M12 Connector
Sensor Output
010 10 mV/g
Mounting Threads
01 -28 UNF Female
030- 30 mV/g
050 50 mV/g
06 M6X1mm Male
08 M8X1.25mm Male
10 M10X1.5mm Male
12 M12X1.75mm Male
Most machinery applications are suitably covered by a sensor with a sensitivity of 100mV/g. However, you may wish specify different
sensitivities because of the unique dynamic range of the particular machine to be monitored.
A high sensitivity sensor, 500mV/g or 1V/g would be used for those machines operating at low speeds (say below 600 rpm) with high
mass structures where vibration levels signals will inherently be of a low amplitude .
For high dynamic ranges such as a high speed gearbox, you would use a low sensor sensitivity for example as low as 10mV/g,
50mVg etc.
To ensure sensors are matched to specialised applications we recommend a detailed vibration analysis is undertaken first
IRD Mechanalysis Consultancy Services can assist you in the best sensor solution.
IRD Mechanalysis Ltd continues to be an industry leading provider of Condition Management Solutions. With
a heritage of over 60 years experience in machinery vibration and associated technologies, IRD designs,
manufactures and supports proven instrumentation suitable for harsh industrial environments.
The Vibration People of IRD Mechanalysis can be contacted at the following branches or your local distributor:
Mumbai
Delhi
Kolkata
Chennai
International
Tel: +91(0)22-2852-0178
Fax: +91(0)22-2852-1814
sales@irdmech.com
Service@irdmech.com
Tel: + 91(0)11-2237-3916
Fax: +91(0)11-2237-0778
salesNR@irdmech.com
Tel: +91(0)33-2355-2062
Fax: +91(0)33-2355-9214
salesER@irdmech.com
Tel: +91(0)44-2823-0726
Fax: +91(0)44-2823-4702
salesSR@irdmech.com
Tel: +91-22-2852-0178
Fax: +91-22-2852-1814
sales@irdmech.com