11WIKA operating instructions pressure gauge model 7 per ATEX
2080284.08 02/2021 EN/DE/FR/ES
EN
3. Specications / 4. Design and function
Temperature eect
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
1)
(per IEC/EN 60529)
IP54 (lled instruments: IP65)
For further specications 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
bae wall (code S3).
Scope of delivery
Cross-check scope of delivery with delivery note.
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