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DMK 456 Pressure Transmitter with Stainless Steel Field Housing

The DMK 456 Pressure Transmitter is tailored for precise pressure measurement in tough conditions, including shipbuilding and offshore applications. Its durable stainless steel housing is suitable for intrinsic safe areas (T6), perfect for aggressive gases and fluids. Featuring a BD|SENSORS-made capacitive ceramic sensor, it offers excellent overload resistance and medium compatibility.

DMK 456 Pressure Transmitter Product Parameters

  • Pressure Ranges: Nominal pressure 0.04-20 bar, Level 0.4-200 mH2O.
  • Output Signal: Standard IS-version 4-20 mA/2-wire, VS rated = 24 VDC.
  • Accuracy: Standard ≤ ± 0.25% FSO, optional ≤ ± 0.1% FSO for PN ≥ 0.6 bar.
  • Electrical Connections: Field housing with various options.
  • Process Connections: Multiple options including inch thread flange, G1/2″, 1/2″ NPT.
  • Media Compatibility: Suitable for aggressive gases and fluids.
  • Special Features: Stainless steel housing, IP67 protection, suitable for intrinsic safe areas (T6), capacitive ceramic sensor by BD|SENSORS.

Product Highlights

The DMK456 Pressure Transmitter offers a wide range of nominal pressure options, starting from 0 … 40 mbar up to 0 … 20 bar. Its output signals are available in a 2-wire format, ranging from 4 … 20 mA, with other output signal options available upon request. The product boasts several notable characteristics, including an LR certificate from Lloyd’s Register, DNV approval from Det Norske Veritas, ABS certification from the American Bureau of Shipping, and CCS certification from the China Classification Society. The pressure transmitter features a durable stainless steel field housing and is available in an IS version (temperature class T6) that is intrinsically safe for gases. It also offers high overpressure resistance, ensuring reliability in demanding environments. Optional versions of the DMK456 include a diaphragm made of AI2O3 99.9% and various inch threads and flush versions, providing flexibility for different application requirements.


  • Monitoring of the pressure during loading and unloading processes
  • Monitoring of a ship’s position and draught
  • Use in anti-heeling systems
  • Level measurement in ballast and storage tanks
  • Monitoring of the internal pressure in liquid gas cargo tanks

To download the latest datasheet click here: DMK 456

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