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DMD 331 Differential Pressure Transmitter for Liquids and Gases

Meet the DMD 331: a high-performance differential pressure transmitter tailored for industrial use. Featuring a piezoresistive stainless steel sensor, it accurately measures pressure in harsh environments and handles both fluid and gas pressures. Compatible with SST 1.4404 (316L) and 1.4435 (316L), it’s versatile and compact for easy integration into limited spaces. It calculates pressure differences and converts them into reliable electrical signals, ensuring consistent performance. Choose the DMD 331 for dependable and precise pressure transmission.

DMD 331 Pressure Transmitter Product Parameters

  • Pressure Ranges: Differential pressure from 0 … 20 mbar to 0 … 16 bar.
  • Output Signal: 2-wire: 4 … 20 mA; 3-wire: 0 … 10 V.
  • Accuracy: Robust and reliable under dynamic pressures, shock, and vibration.
  • Electrical Connections: Various options, including intrinsically safe IS-version Ex ia.
  • Process Connections: Compact design; withstands up to 30x its differential pressure range.
  • Media Compatibility: Suitable for both wet and dry differential pressure applications.
  • Special Features: Offers custom versions for specific electrical and mechanical needs.

Product Highlights

The DMD331 Pressure Transmitter is a versatile and high-performance device designed to measure differential pressure ranging from 0 … 20 mbar up to 0 … 16 bar. It offers two output signal options: a 2-wire configuration with a range of 4 … 20 mA and a 3-wire configuration with a range of 0 … 10 V. One of its special characteristics is its ability to handle differential pressure wet/wet applications. It can withstand a permissible static pressure (one-sided) of up to 30 times the range of the differential pressure. The transmitter boasts a compact design and is known for its mechanical robustness and reliability, even in dynamic pressure conditions as well as situations involving shock and vibration. Additionally, the DMD331 Pressure Transmitter offers various optional versions, including an IS-version (Ex ia) that ensures intrinsic safety for gases and dust. It also provides different electrical and mechanical connection options, catering to diverse customer needs.


  • Plant and machine engineering
  • Energy industry
  • Water

To download the latest datasheet click here: DMD 331

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