Test Gauge, Stainless Steel - 332.30, 333.30

Brand: WIKA Instruments Ltd.

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The model 33x.30 high-quality test gauge has been specifically designed for increased safety requirements during highaccuracy pressure measurements and is suited for calibration tasks. With an accuracy class of 0.6 %, the Bourdon tube pressure gauge is suitable for testing industrial type pressure gauges or for precision measurement in laboratories. Optionally, an accuracy class of 0.25 % is possible for pressures

≤ 400 bar.

Features

Safety pressure gauge with solid baffle wall designed in compliance with operational safety requirements of EN 837-1.
All stainless steel construction.
Knife edge pointer for optimal accuracy of reading.
Wear-resistant precision movement of stainless steel.
Scale ranges up to 0 ... 1,600 bar.

Images are representations only.

Description

≤ 400 bar.

Features

Safety pressure gauge with solid baffle wall designed in compliance with operational safety requirements of EN 837-1.
All stainless steel construction.
Knife edge pointer for optimal accuracy of reading.
Wear-resistant precision movement of stainless steel.
Scale ranges up to 0 ... 1,600 bar.

Specifications

Brand

WIKA Instruments Ltd.

Design

EN 837-1

Nominal Size in mm

Accuracy Class

0.6
Option: 0.25 (per EN 837 or grade 3A per ASME B40.1 for scale ranges ≤ 400 bar)

Scale Ranges

0 to 0.6 bar [0 to 8.7 psi] to 0 to 1,600 bar [0 to 23,200 psi]

Scale

Single scale
Option: Mirror band Scale

Pressure Limitation

Steady: Full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.3 x full scale value

Connection Location

Lower mount (radial)

Process Connection

G ½ B

Permissible Medium Temperature

+200° C [392° F] maximum with unfilled instruments
+100° C [212° F] maximum with filled instruments (model 333.30)

Permissible Ambient Temperature

-40 … +60° C [-40 ... +140° F] with unfilled instruments
-20 … +60° C [-4 ... +140° F] with instruments with glycerine filling (model 333.30)

Temperature effect

When the temperature at the measuring system deviates from the reference temperature +20° C [+68° F]: ≤ ±0.4 %/10° C [≤ ±0.4 %/18° F] of Full Scale Value

Fill Fluid

Glycerine

Process Connection Wetted Materials

Stainless steel 316L

Pressure Element Wetted Materials

Stainless steel 316L
< 100 bar: Copper alloy, C-type
≥ 100 bar: Stainless steel 316L, helical type
≥ 1,000 bar: Ni-Fe alloy, helical type

Case, Bayonet Ring

Stainless Steel Safety version S3 per EN 837: With solid baffle wall (Solidfront) and blow-out back
Option: Triangular bezel, polished Stainless Steel, with clamp

Movement

Stainless steel

Dial

Aluminium, white, black lettering

Instrument Pointer

Aluminium, black (knife edge pointer)

Set Pointer

Aluminium, red

Window

Laminated safety glass

Ingress Protection per IEC/EN 60529

IP54

Adjustment Medium

≤ 25 bar: Gas
> 25 bar: Liquid
Option: Gas from Scale Range ≥ 25 bar

Applications

Typical Applications

For gaseous and liquid aggressive media that are not highly viscous or crystallising, also in aggressive environments
Precision measurement in laboratories
High-accuracy pressure measurement, testing of industrial type pressure gauges
Increased safety requirements for personal protection
With liquid-filled case for applications with high dynamic pressure loads or vibrations