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DMK 458 Pressure Transmitter for Marine and Offshore

Introducing the DMK 458 Pressure Transmitter: Designed for Marine and Offshore Applications. With thread connections and specialised flush versions for challenging media, it offers versatility. The DMK 458’s capacitive ceramic sensor, including the optional Al2O3 99.9% variant, ensures exceptional accuracy, high overload resistance, and temperature resilience. Trust in the DMK 458 for precise measurements in demanding environments.

DMK 458 Pressure Transmitter Product Parameters

  • Pressure Ranges: From 0 … 40 mbar to 0 … 20 bar.
  • Output Signal: 2-wire: 4 … 20 mA; additional options available.
  • Accuracy: High overpressure resistance and excellent long-term stability.
  • Electrical Connections: Various options including 2-wire configurations.
  • Process Connections: Pressure port available in CuNiFe for sea water resistance.
  • Media Compatibility: Diaphragm made of AI2O3 99.9%.
  • Special Features: LR, DNV, ABS, CCS certifications; intrinsically safe IS-version Ex ia for gases.

Product Highlights

The DMK458 Pressure Transmitter offers a wide range of applications with its nominal pressure ranging from 0…40 mbar up to 0…20 bar. It provides a 2-wire output signal of 4…20 mA, and other output signals can be requested. The product is distinguished by its impressive product characteristics, including the LR-certificate from Lloyd’s Register, DNV-approval from Det Norske Veritas, ABS-certificate from the American Bureau of Shipping, and CCS-certificate from the China Classification Society. It exhibits high overpressure resistance and excellent long-term stability. Optional versions are available, such as the IS-version (Ex ia), which ensures intrinsic safety for gases. Additionally, the transmitter can be equipped with a diaphragm made of AI2O3 99.9% for added durability, and the pressure port is constructed with CuNiFe material, making it resistant to seawater.


  • Monitoring of pressure during loading and unloading processes
  • Monitoring of a ship´s position and draught
  • Use in anti-heeling systems Water and seawater
  • Level measurement in ballast and storage tanks
To download the latest datasheet click here: DMK 458

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