WIKA 630.20 - Manual (Page 5)

5 WIKA Operating instructions pressure gauges Model 6 with 831 per ATEX
2030660 12/2004 GB/D/F
GB
3. Technical data and use in accordance with intended use
3. Technical data and use in accordance with intended use
Working pressure
Steady: full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.3 x full scale value (special versions up to 3 × resp.
10 × full scale value)
Pressure connection
T According to the general technical regulations for pressure gauges,
respectively (i.e. EN 837-2 "Selection and installation recommendations for
pressure gauges").
When screw-fitting the gauges the force required for sealing must not be
applied through the case or terminal box but, using a suitable tool, only through
the spanner flats provided for this purpose at the square of the connector.
Installation with
open-end wrench
Temperature effect
When temperature of the pressure element deviates from reference temperature
(+20 °C): max. ±0.6 %/10 K of true scale value
IP Ingress protection
IP 54 per EN 60 529 / IEC 60 529
(with liquid filling IP 65)