Bourdon tube pressure gaugeTest gauge series, class (Price & availability on application)

Design
EN 837-1

Nominal size in mm
250

Accuracy class
0.6

Scale ranges
Model 311.11: 0 ... 0.6 to 0 ... 600 bar
Model 331.11: 0 ... 0.6 to 0 ... 1,600 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 (model 311.11)
+200 °C maximum (model 331.11)

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
Product Description

Details

Design EN 837-1 Nominal size in mm 250 Accuracy class 0.6 Scale ranges Model 311.11: 0 ... 0.6 to 0 ... 600 bar Model 331.11: 0 ... 0.6 to 0 ... 1,600 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 (model 311.11) +200 °C maximum (model 331.11) 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
Additional Information

Additional Information

Applications For gaseous and liquid media that are not highly viscous or crystallising and will not attack copper alloy parts Model 311.11: Measuring system Cu-alloy | Model 331.11: Measuring system stainless steel, also for aggressive media | Precision measurement in laboratories | High-accuracy pressure measurement | Testing of industrial type pressure gauges |
Description Design EN 837-1 Nominal size in mm 250 Accuracy class 0.6 Scale ranges Model 311.11: 0 ... 0.6 to 0 ... 600 bar Model 331.11: 0 ... 0.6 to 0 ... 1,600 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 (model 311.11) +200 °C maximum (model 331.11) 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
Model No 311.11, 331.11
Special Features Knife edge pointer for optimal accuracy of reading | Precise movement with wear parts of argentan | Particularly easy-to-read scale due to nominal size 250 | Scale ranges up to 0 … 1,600 bar
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