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Wika Model 312.20 Test gauge

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Model 312.20

Test gauge

Applications of the test gauge

  • Suitable for all gaseous and liquid media that will not obstruct the pressure system or attack copper alloy parts
  • Precision measurement in laboratories
  • High-accuracy pressure measurement
  • Testing of industrial type pressure gauges

Special features of the test gauge

  • Knife edge pointer for optimal accuracy of reading
  • Precise movement with wear parts of argentan
  • Scale ranges up to 0 ... 600 bar

Description of the test gauge

Design
EN 837-1

Nominal size in mm
160

Accuracy class
0.6

Scale ranges
0 ... 0.6 to 0 ... 600 bar
or all other equivalent vacuum or combined pressure and vacuum ranges

Adjustment medium
≤ 25 bar: Gas
> 25 bar: Liquid

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

Permissible temperature
Ambient: -40 … +60 °C
Medium: +80 °C maximum

Temperature effect
When the temperature of the measuring system deviates from the reference temperature (+20 °C):
max. ±0.4 %/10 K of full scale value

Ingress protection
IP54 per IEC/EN 60529

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