Marsh INSPECTOR’S TEST GAUGE Catalog Page

Precision Service

2.59

.53

1.43

3.26

COVER

5/8 SQUARE

1/4 NPT

DIAL, WHITE WITH BLACK CHARACTERS

TWISTED BLACK POINTER

RECALIBRATOR

SPECIFICATIONS

ACCURACY

ASME Grade 2A – ±0.5% of span
across full scale

CASE SIZES

3" diameter

CASE MATERIAL

Brass, Nickel Plated

CASE STYLE

Lower Mount with threaded ring

TUBE & SOCKET

Copper alloy

MOVEMENT

Brass

RECALIBRATOR

Standard

CONNECTION

1

⁄4 NPT

RANGES

0 to 30" Hg VAC; 15 to 1,000 psi

DIAL STANDARD

Dual Scale psi/kPa

DIAL COLOR

Black markings on white

POINTER

Aluminum, black painted, knife-edge

WINDOW

Beveled glass

PROTECTIVE COVER

Opaque plastic lens cover

WEIGHT 2.0 lb.

INSPECTOR’S TEST GAUGE

• 3" Dial

• Vacuum to 1,000 psi Range

• Recalibrator on Dial Face

• ASME Grade 2A Accuracy

arsh Inspector’s Test Gauges are specifically designed for use by steam boiler, air brake and pressure system

M
inspectors. The rugged 3" Inspector’s Test Gauge features a nickel-plated case and an accuracy of ±0.5% of span.
The bushed Mastergauge movement with Recalibrator is standard for these gauges. Mating parts are of dissimilar
metals to prevent seizing. Bearing sleeves are of bronze, and the sector is brass.

Typical applications include steam boiler, air brakes, pressure system inspectors, and for use on other testing
applications.

STANDARD RANGES & PART NUMBERS

TYPE INSPECTOR’S TEST GAUGES

Size 3"
Case Material Nickel Plated Brass
Internals Copper Alloy
Mounting / Case Style LM
Connection
Scale Standard psi/kPa
0 to 30" Hg VAC D1505
0 to 15 psi D1540
0 to 30 psi D1542
0 to 60 psi D1546
0 to 100 psi D1548
0 to 160 psi D1552
0 to 200 psi D1554
0 to 300 psi D1558
0 to 600 psi D1564
0 to 1,000 psi D1572

1

⁄4 NPT

ALL DIMENSIONS ARE NOMINAL

32

INSPECTOR’S TEST GAUGE OPTIONS

OPTION TYPE SUFFIX AVAILABLE ON MODELS

Restrictors Add restrictor H All ranges

Catalog Dials

Custom Dials Logo or Custom Face M All models - consult factory

psi only E
bar only L1
kg/cm2only L2
kPa only L3
MPa only L4
psi & bar W1
psi & kg/cm
psi & MPa W4

2

W2

See Marsh Price List for minimum