Design And Function - WIKA 7 Betriebsanleitung

3. Specifications / 4. Design and function
Temperature effect
When the temperature of the measuring system deviates from the reference
temperature (+20 °C):
max. ±0.8 %/10 K of full scale value
Case ingress protection
IP54 (filled instruments: IP65)
For further specifications see WIKA data sheet PM 07.05, PM 07.13 and the
order documentation.
1) For general use, no ATEX requirement

4. Design and function

Description
Nominal size 100 and 160 mm
„
The instruments measure the pressure by means of resilient diaphragm
„
measuring elements.
The measuring characteristics are in accordance with the EN 837-3 standard.
„
In addition, the enclosing components of the model 73X.31 also meet the
„
requirements of EN 837-1, relating to safety pressure gauges with a solid
baffle wall (code S3).
Scope of delivery
Cross-check scope of delivery with delivery note.
WIKA operating instructions pressure gauge model 7 per ATEX
(per IEC/EN 60529)
1)
EN
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