Model 732.18, 733.18 Differential Pressure Gauge

Brand: WIKA Instruments Ltd.
For refrigeration technology, stainless steel, NS 80 and 100.
Features
  • Differetial pressure with moving dial.
  • Design optionally with duplex scale.
  • With liquid-filled case for damping in applications with high dynamic pressure pulsations or vibrations and for avoiding condensation water Model 733.18.
  • Combined pressure and temperature scales as duplex, triples or quadruplex scales for all common refrigerants.
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Images are representations only.
For refrigeration technology, stainless steel, NS 80 and 100.
Features
  • Differetial pressure with moving dial.
  • Design optionally with duplex scale.
  • With liquid-filled case for damping in applications with high dynamic pressure pulsations or vibrations and for avoiding condensation water Model 733.18.
  • Combined pressure and temperature scales as duplex, triples or quadruplex scales for all common refrigerants.

Specifications

Design

  • Two independent measuring systems, parallel entries in line

Nominal Size in mm

  • 80
  • 100

Accuracy Class

  • 1.6

Scale Ranges

  • 0 to 2.5 to 0 to 60 bar -1 to 0 to +25 bar
  • -1 ... 0 ... +12 bar -1 ... 0 ... +30 bar
  • -1 ... 0 ... +15 bar -1 ... 0 ... +35 bar
  • -1 ... 0 ... +16 bar -1 ... 0 ... +40 bar
  • Other scale ranges on request

Pressure Limitation

  • Steady: Full scale value
  • Fluctuating: 0.9 x full scale value
  • Short time: 1.3 x full scale value

Permissible Temperature

  • Ambient: 0 ... +60° C
  • Medium: +100° C maximum

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

Typical Applications

  • Measurement of differential pressure or of two different pressures applied in refrigeration plants or compressors
  • Simultaneous measurement of the vapour pressure and the resulting vapour temperature
  • For gaseous and liquid aggressive media that are not highly viscous or crystallising, also in aggressive ambience 

Documentation

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