Data Sheet

1082 Test Gauge

FEATURES
„ MircoSpan™ adjustment eases span calibration
„ Mirror-band dial and knife-edge pointer eliminates
paralax error while assuring easy readability of
precise measurements
„ Teflon® coated, stainless steel movement
„ Accuracy complies with ±0.25% of span
(ASME B40.1 Grade 3A)
„ Externally adjustable dial

TYPICAL USES
„ Test benches
„ Specialized OEM equipment
„ Test and measurement & validation
„ Calibration labs

SPECIFICATIONS
1082
Accuracy: ±0.25% of span (ASME B40.100 Grade 3A) 4½˝, 6˝, 8½˝ dial sizes
Ranges: Vacuum, Compound to 10,000 psi
Sizes: 4½˝, 6˝or 8½˝
Process Connection Lower or Back Temperature Compensated Movement Externally Adjustable Dial
Location: Temperature compensator reduces
temperature caused errors to less than
Process Connection: ¼ NPT Male or ½ NPT Male 0.005% per °F temperature change.

Dial: Externally adjustable aluminum, black numerals

with polished mirror band
Case Style: Solid front Dial Gear
High and
Movement: 400 Series SS rotary design, Teflon S coated
®
low pressure
Clamp Screw
bearings, micrometer span adjustment, bimetallic movement stops
standard.
temp. compensator (0.005%/per °F Max. Adjustment Gear
The MicroSpan™ adjustment permits precise adjustments to
temperature error) achieve zero error in calibration at zero and 100% of scale. Adjustment Knob

Pointer: Black painted aluminum with red-painted, knife

edge tip
KEY BENEFITS
Mounting Options: Stem or flush
Case not sealed, recommened for weather • Temperature-compensated movement
Weather Protection: significantly reduces temperature error
protected environment only
Approvals: CRN • Rugged SS construction
WETTED COMPONENTS • Compact design
Bourdon Tube Process Connection Joints
Bronze Brass Silver Brazed
Monel® Monel® Welded
NON-WETTED COMPONENTS MIN/MAX TEMPERATURE LIMITS
Case Ring Window Version Ambient Process Storage
Aluminum, solid front, Hinged steel, black -20°F to 200°F -20°F to 250°F -40°F to 250°F
Glass Dry
black epoxy coated wrinkle finish (-29°C to 93°C) (-29°C to 121°C) (-40°C to 121°C)

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Data Sheet
1082 Test Gauge

ORDERING CODE Example: 45 1082 P S 02 L 100# -XPD

Dial Size
45 - 4½˝ dial 45
60 - 6˝ dial
85 - 8½˝ dial
Model
1082 - Test gauge 1082
System
A - Bronze tube and brass socket (max. available range 400 psi)
P - Monel® tube and socket P
Case Style
S - Solid front S
Process Connection Size
02 - ¼ NPT Male 02
04 - ½ NPT Male
Process Connection Location
L - Lower L
B - Back
Ranges (See additional range tables on page 3)
15# - 0-15 psi
30# - 0-30 psi
60# - 0-60 psi
100# - 0-100 psi 100#
160# - 0-160 psi
200# - 0-200 psi
300# - 0-300 psi
400# - 0-400 psi
600# - 0-600 psi (Monel wetted parts only)
1000# - 0-1,000 psi (Monel wetted parts only)
Options (If choosing an option(s) must include an “X”) -X__
PD - Acrylic window PD
SG - Safety Glass window
TS - Throttling devices
AY - Aluminum case, threaded ring (N/A with adj. dial, Lower connection only)
TY - Phenolic case, threaded ring (N/A with adj. dial, Lower connection only)
C4 - Individual calibration chart (in accordance with ASME B40.100:2013. Accuracy traceable to NIST)

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Data Sheet
1082 Test Gauge

STANDARD RANGES STANDARD RANGES

Range Graduations

Vacuum
Bar kPa kg/cm2
Figure Minor
Vacuum

psi inHg
Inte rval Graduations -1/0 -100/0 -1/0
- 30/0 inHg 2 inHg 0.1 inHg -1/0/1.5 -100/0/150 -1/0/1.5

Compound
0/15 – 1 0.05 -1/0/3 -100/0/300 -1/0/3
0/30 – 2 0.1 -1/0/5 -100/0/500 -1/0/5
0/60 – 5 0.2 -1/0/9 -100/0/900 -1/0/9
0/100 – 5 0.5 0/1 0/100 0/1
0/150 – 10 0.5 0/1.6 0/160 0/1.6
0/200 – 10 1 0/2.5 0/250 0/2.5
Positive Pressure

0/300 – 20 1 0/4 0/400 0/4

0/400 – 20 2 0/6 0/600 0/6

Positive Pressure
0/600 – 50 2 0/10 0/1000 0/10
0/800 – 50 5 0/16 0/1600 0/16
0/1000(1) – 50 5 0/25 0/2500 0/25
0/1500 – 100 5 0/40 0/4000 0/40
0/2000 – 100 10 0/60(1) 0/6000 0/60
0/3000 – 200 10 0/100 0/10,000 0/100
0/5000 – 500 10 0/160 0/16,000 0/160
0/10,000 – 1000 50 0/250 0/25,000 0/250
0/400 0/40,000 0/400
0/600 0/60,000 0/600
COMPOUND RANGES
inHg/psi
30/0/15 30/0/20 5/0/2
30/0/30 30/0/20 5/0/1
Compound

30/0/60 30/0/20 2/0/1

30/0/100 30/0/10 2/0/1
30/0/150 10/0/5 1/0/0.5
30/0/200 10/0/5 1/0/0.5
30/0/300 10/0/5 0.5/0/0.2
30/0/400 5/0/2 0.5/0/0.1

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Data Sheet
1082 Test Gauge

DIMENSIONS in [ ] are millimeters

For reference only, consult Ashcroft for specific dimensional drawings

3 Mounting studs CC threaded

equally spaced on E dia. Bolt Circle
S Nuts & washers
A B U not supplied by
Ashcroft Inc.

C
T M
Hole in
F panel

G
H
K
/ NPT or 1/2 NPT
14 D
LL

Dial Size
(inches)
A B C CC D E F G H K LL M S T U

63/32 27/8 43/4 13/16 53/8 15/8 47/8 13/8 11

/32 47/8 5
/8 3
/4
41⁄2 [155] [73] [121]
#10-24
[30] [137] [41] [100] [35] [34] [124] [16] [19]

79/16 27/8 43/4 13/16 7 15/8 4½ 13/8 11/32 1

/8 to ½ 6½ 5
/8 5
/8 3
/4
6 [192] [73] [121]
¼-20
[30] [178] [41] [114] [35] [34] [3 to 13] [165] [16] [16] [19]

101/16 27/8 43/4 95/8 15/8 6 13/8 11

/32 9 5
/8 3
/4
8½ [257] [73] [121]
¼-20 ¼-20
[244] [41] [152] [35] [34] [229] [16] [19]

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All specifications are subject to change without notice. ashcroft.com

All sales subject to standard terms and conditions. info@ashcroft.com
©2022 Ashcroft Inc. 1082_gauge_ds_RevF_04-08-22 1.800.328.8258