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Design
Following EN 837-3, with measuring cell underneath the case, class 0.1 instruments with transport case and acceptance test certificate (individual listing of the calibration points)
Nominal size in mm
250
Accuracy class
0.1 and 0.25
Scale ranges
Class 0.1: 0 ... 25 to 0 ... 400 mbar
Class 0.25: 0 ... 6 to 0 ... 400 mbar
or all other equivalent vacuum or combined pressure and vacuum ranges
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Adjustment medium
Gas
Pressure limitation
Steady: Full scale value
Fluctuating: 0.9 x full scale value
Permissible temperature
Ambient: -20 … +60 °C
Medium: +60 °C maximum
Temperature effect
The indicated class accuracy applies to a room temperature of +20 °C. Temperature-related zero offsets can be corrected by means of the zero adjustment.
Ingress protection
IP 54 per EN 60529 / lEC 529
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