Specifications - WIKA 831 Manual De Instrucciones

2. Safety / 3. Specifications
Explanation of symbols
GB

3. Specifications

Pressure limitation
Steady:
Fluctuating:
Overpressure safety: see respective data sheet
Temperature effect
When the temperature of the measuring system deviates from the reference
temperature (+0 °C): max. ±0.8 %/10 K of full scale value
IP Ingress protection
IP 54 per EN 60 59 / IEC 60 59
(with liquid filling IP 65)
For further specifications see WIKA Data Sheet PV 4.03, PM 04.0, PM 04.07,
PM 04.08, PM 04.09 and the order documentation.
8
CE, Communauté Européenne
Gauges bearing this mark comply with the relevant European
directives.
ATEX European Explosion Protection Directive
(Atmosphère = AT, explosible = Ex)
Gauges bearing this mark comply with the requirements of the
European Directive 94/9/EC (ATEX) on explosion protection.
Gauges bearing this mark on the dial are safety pressure
gauges with solid baffle wall per EN 837 (S3).
full scale value
0.9 x full scale value
WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX