Pressure Gauge WIKA Model 312.20



EN 837-1

Nominal size in mm


Accuracy class


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


  • For gaseous and liquid media that are not highly viscous or crystallising and will not attack copper alloy parts
  • Precision measurement in laboratories
  • High-accuracy pressure measurement
  • Testing of industrial type pressure gauges


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

Have any Question or Comment?

Leave a Reply

Your email address will not be published. Required fields are marked *