Model 712.15.100, 732.15.100 Differential Pressure Gauge

Brand: WIKA Instruments Ltd.
These high-quality gauges are characterised by their compact and robust design and are primarily used for level measurement on liquid gas tanks.

An optional valve manifold for flange mounting with working pressure indication makes the central measurement of both level and working pressure possible in the one instrument.

The level display can be supplied with an optional, integrated 4 … 20 mA, 2-wire transmitter. Switch contacts for level and working pressure, as well as a transmitter for the working pressure can be retrofitted on site.
Features
  • Differential pressure measuring ranges from 0 … 80 mbar to 0 ... 1725 mbar.
  • High working pressure (static pressure) of 50 bar.
  • Overpressure safety either side up to 50 bar.
  • Very compact design.
  • Optionally compact valve manifold with working pressure indication.
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Images are representations only.
These high-quality gauges are characterised by their compact and robust design and are primarily used for level measurement on liquid gas tanks.

An optional valve manifold for flange mounting with working pressure indication makes the central measurement of both level and working pressure possible in the one instrument.

The level display can be supplied with an optional, integrated 4 … 20 mA, 2-wire transmitter. Switch contacts for level and working pressure, as well as a transmitter for the working pressure can be retrofitted on site.
Features
  • Differential pressure measuring ranges from 0 … 80 mbar to 0 ... 1725 mbar.
  • High working pressure (static pressure) of 50 bar.
  • Overpressure safety either side up to 50 bar.
  • Very compact design.
  • Optionally compact valve manifold with working pressure indication.

Specifications

Nominal Size

  • Nominal Size 6” (160 mm) for level indicator

Accuracy Class (± 2.5 % of Full Span)

  • 1.0
  • 1.6

DP Ranges

  • Measuring cell 1605 inWC (4000 mbar): Adj. span 0…461 inWC to 0…1605 inWC
  • Measuring cell 923 inWC (2300 mbar): Adj. span 0…260 inWC to 0…923 inWC
  • Measuring cell 453 inWC (1130 mbar): Adj. span 0…128 inWC to 0…453 inWC
  • Measuring cell 224 inWC (560 mbar): Adj. span 0…64 inWC to 0…224 inWC
  • Measuring cell 112 inWC (280 mbar): Adj. span 0…32 inWC to 0…112 inWC
  • Measuring cell 56 inWC (140 mbar): Adj. span 0…16 inWC to 0…56 inWC

Max. working Pressure

  • 725 psi (50 bar)

Overpressure Safety

  • 725 psi (50 bar) either side

Max. Ambient Temp. Range

  • -40…+176° F (-40…+80° C), -40…+140° F (-40…+60° C) for oxygen service

Max. Media Temp. Range

  • -40…+176° F (-40…+80° C), -40…+140° F (-40…+60° C) for oxygen service

Ingress Protection

  • IP65 per EN/IEC 60529

Measuring Cell Flanges (wetted)

  • v
  • Model 712.15: Copper alloy CW614N (CuZn39Pb3)

Pressure Elements (Wetted)

  • Separating diaphragm, NBR
  • Transmission parts, stainless steel 1.4301 and 1.4305
  • Compression spring, stainless steel 1.4310

Movement

  • Wear parts stainless steel

Dial

  • White aluminum

Pointer

  • Adjustable pointer, black aluminum

Case and Bezel

  • 304 stainless steel, slip-on, secured with clips

Window

  • Polycarbonate

Typical Applications

  • Level measurements in closed tanks, particularly in cryotechnology
  • Filter monitoring
  • Monitoring and control of pumps
  • For gaseous and liquid media that are not highly viscous

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