wika Bourdon tube pressure gauge Stainless steel high pressure safety version wika 222.30 223.30
Applications
■■ Increased safety requirements
■■ With liquid-filled case for applications with high dynamic
pressure loads or vibrations 1)
■■ For gaseous and liquid aggressive media that are
not highly viscous or crystallising, also in aggressive
ambience
■■ Process industry: Chemical, petrochemical, power plants,
mining, on- and offshore, environmental technology,
machine building and general plant construction
Special features
■■ Safety pressure gauge with solid baffle wall designed
in compliance with operational safety requirements of
EN 837-1
■■ Excellent load-cycle stability and shock resistance
■■ All stainless steel construction, socket, pressure element
and end piece of Bourdon tube welded
■■ Scale ranges 0 … 2,500 to 0 ... 7,000 bar
Description
Nominal size in mm
160
Accuracy class
1.0
Scale ranges
0 … 2,500 to 0 ... 7,000 bar
Pressure limitation
Steady: Full scale value
Fluctuating: 2/3 x full scale value
Permissible temperature
Ambient: -40 ... +60 °C without liquid filling
-20 ... +60 °C with glycerine filling 1)
Medium: +200 °C maximum without liquid filling
+100 °C maximum with liquid filling 1)
Temperature effect
When the temperature of the measuring system deviates
from the reference temperature (+20 °C):
Max. ±0.4 %/10 K of full scale value
Ingress protection
IP 65 per EN 60529 / lEC 529