Original Wika Pressure Gauge 232.30/Differential Pressure Gauge 711.11

Applications

• Increased safety requirements
• With liquid-filled case for applications with high dynamic pressure pulsations or vibrations(Model 233.30)
• For gaseous and liquid aggressive media that are not highly viscous or crystallising, also in aggressive ambience
• Process industries: chemical/petrochemical, power stations, mining, on- and offshore, environmental technology, machine building and 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
• Scale ranges up to 0 … 1,600 bar

Pressure limitation

• NS 63: 
  Steady: 3/4 x full scale value
  Fluctuating: 2/3 x full scale value
  Short time: Full scale value
• NS 100, 160:
  Steady: Full scale value
  Fluctuating: 0.9 x full scale value
  Short time: 1.3 x full scale value

Permissible temperature

• Ambient:
  -40 ... +60 °C without liquid filling
  -20 ... +60 °C gauges with glycerine filling (Model 233.30)
• Medium:
  +200 °C maximum without liquid filling
  +100 °C maximum with liquid filling (Model 233.30)

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 (gauges with back mount: IP 55)