Type 312.20 - Bourdon tube pressure gauge Test gauge series, class 0.6

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


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
IP 54 per EN 60529 / lEC 529