Pressure transmitter NHT 8250 - Hydrogen

Main features:

  • Completely welded steel sensor system without additional seals
  • Wetted materials made of hydrogen-compatible steel
  • Compact design
  • EC79 certified
  • Optional: Switching output 1 or 2 PNP transistors

Pressure transmitter NHT 8250 - Hydrogen

NHT 8250 is a pressure transmitter developed specifically for hydrogen applications. All wetted parts are made of a H2 compatible stainless-steel alloy and the sensor system is completely welded without internal seals. The thin-film-on-steel sensor is robust and well recognized for its long-term stability.

EC79 certified.

NHT has an compact and rugged design and are available with a wide range of analog outputs or with 1 or 2 PNP outputs. The switching outputs can be configured from factory with custom switch point, reset point and delay setting as well as NO or NC settings. Parametrization can also be done with an SMI Sensor Master Interface together with a smartphone app (Android).

With the same technology platform as the other pressure transmitters in the NAx-series is NHT available with many options of process connections and electrical connections and comes in two accuracy options 0,5 % or 0,3 % in pressure ranges from 0…1 bar up to 0…250 bar.

Suitable applications

  • Fuel cells
  • Hydrogen vehicles
  • Hydrogen tanks
  • H2 fuelling stations
  • H2 compressors

Technical data

Application Hydrogen
Accuracy ±0.5%, ±0.3% FS
Measuring range 0…1 to 0…250 bar
Pressure connection G1/4” male, et al.
Sensor technology Thin-film-on-steel
Protection rating IP65, IP67
Connection Industry std, M12, DT04, MIL, cable
Output 24 (9…32) VDC, ratiometric
Media temperature -40°C…85°C
Temperature range -40°C…85°C
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NAH 8250 - Hydrogenproduct video

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