Hygienic Pressure Switch DMP 331P



  • Good long term stability
  • Specific versions available
  • Medium temp up to 300°C

Hygienic Pressure Switch DMP 331P

The Hygienic Pressure Switch DMP 331P was designed for use in the food and pharmaceutical industry. The compact design with hygienic process connections makes it possible to achieve an outstanding performance in terms of accuracy, temperature behavior and long term stability. The modular construction concept allows a combination of various process connections with different filling fluids and a cooling element. Several electrical connections complete the profile of DMP 331P. This transmitter fulfills nearly all requirements in hygienic industrial processes.

Features of the Hygienic Pressure Switch DMP331P include:

  • Medium temperature up to 300°C
  • Accuracy: 0.175% / 0.125% FSO BFSL (0.35 % / 0.25% FSO IEC 60770)
  • Nominal pressure ranges from 0 – 100 mbar up to 0 – 40 bar
  • Small thermal effect
  • Good linearity
  • Good long term stability
  • Optional Ex version
  • Customer specific versions (special pressure ranges, variety of electrical and mechanical connections)

General Applications:

  • Process engineering
  • Chemical & pharmaceutical industries
  • Foodstuff industry
  • Paper industry


Manufacturer: iCenta

Part Ref: DMP331

IWN: PRE-290836

Liquid: Oil

Media Type: Liquids

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Product Specification:
Hygienic Pressure Switch DMP331P – Hygienic flush diaphragm pressure transmitter for up to 40 barA hygienic, stainless steel pressure transmitter for process measurement with a flush diaphragm.

Specification Detail of the DMP331P Hygienic Pressure Switch:

Pipe Size
DN25 – DN50

Material Body
Stainless steel 1.4404 (316 L)

Flow Range

≤ ± 0.25 – 0.5 % FSO

Operating Temp Range
​-40 … 300 °C

Pressure Range
-1 to 40bar

Outputs & Comms
2/3 wire – 0 to 4 .. 20mA/ 0 .. 10V

Insertion / Inline

Fluid Type
Liquid – Oil

Applicable Liquids
Silicon Oil, Food compatible oil


CE – EMC Directive: 2004/108/EC

Connection Type
​G 1-½” ISO 4400/O-ring​