Wika Bourdon tube pressure gauge

1. Design : EN 837-1

2. Nominal size in mm : 250

3. Accuracy class :0.6

 

Scale ranges
1. Model 311.11: 0 ... 0.6 to 0 ... 600 bar
2. Model 331.11: 0 ... 0.6 to 0 ... 1600 bar
or all other equivalent vacuum or combined pressure and vacuum ranges

 

Adjustment medium:
1. ≤ 25 bar: Gas
2. > 25 bar: Liquid

 

Pressure limitation
1. Steady: Full scale value

2. Fluctuating: 0.9 x full scale value

3. Short time: 1.3 x full scale value

 

Permissible temperature
1. Ambient: -40 ... +60 °C
2. Medium: +80 °C maximum (model 311.11)
+200 °C maximum (model 331.11)

 

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

 

Ingress protection:
IP 54 per EN 60529 / lEC 529