by Trafag AG

Hydrogen Pressure Transmitter NHT 8250

  • The NHT 8250 hydrogen pressure transmitter features a thin-film-on-steel sensor based on a special hydrogen-compatible high-performance alloy for best-in-class signal stability.
  • Measuring range: 1-250 bar
  • The robust mechanical design with fully welded housing is built to last in harsh environments.
  • Excellent long-term stability
  • EC79 certification pending
  • Optional: Switching output 1 or 2 PNP transistors
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Hydrogen pressure transmitter NHT 8250

  • The NHT 8250 hydrogen pressure transmitter features a thin-film-on-steel sensor based on a special hydrogen-compatible high-performance alloy for best-in-class signal stability.
  • The robust mechanical design with fully welded housing is built last in harsh environments.
  • Hydrogen powered vehicles operating in rough conditions need robust and well proved sensors Fully welded housings and rugged electronics well protected against temperature dust and humidity in compact lightweight designs
  • EC79 certification pending
  • Various analogue and switching outputs
  • Small design HEX 19 mm
  • Measuring ranges 1 – 250 bar

Features

  • Measuring ranges: 1 to 250 bar
  • Media temperature ranges:  -40 to +85 °C
  • Ambient temperature: –40°C … +85°C (Cable PVC 22: -5°C … +60°C) (Cable PUR 24: -40°C … +70°C)
  • EC79 certification pending
  • Accuracy @ 25°C typ:± 0.5 % FS typ. ± 0.3 % FS typ.
  • Electrical connections: Industrial standard, contact distance 9.4 mm; M12x1; MIL-C 26482; Cable IP67
  • Pressure connections: G1/4″ m, 1/4″NPT m, 7/16″-20UNF SAE4 m
  • Wetted materials made of hydrogen-compatible steel
  • Completely welded sensor system without additional seals
  • Excellent long-term stability
  • Optional: Switching output 1 or 2 PNP transistors

See product video

 

Applications areas

  • Electrolyzers
  • Hydrogen storage
  • Hydrogen powered buses
  • Hydrogen trucks
  • Hydrogen material handling vehicles

Parameterization of switching points

  • The switching points, delay times and output functions can be parameterized via Smartphone app (Android).
  • The SMI Sensor Master Interface required for the parameterization as well as the Smartphone are not part of the delivery.
  • The Android App is available for free in the Google Play Store.

Contact us

  • Trafag is one of the world’s leading suppliers of pressure, temperature and gas density sensing solutions. Its team is passionate about delivering innovative, dependable solutions that empower customers to operate safe and sustainable systems.
  • We have the right transmitter for you! Fill out the contact form and we will contact you immediately.
  • We are looking forward to understand your requirements!
Max Pressure (in bar)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Max Current (in A)

Manufacturing Readiness (MRL)

Technology Readiness (TRL)

Fyler (EN)

General information

Specification (EN)

Data Sheet

Manual (EN)

Detailed information

Specification (DE)

Data Sheet

Fyler (CN)

General information

Specification (CN)

Data Sheet

Contact Vendor

    Trafag AG

    High-tech sensor company Trafag is one of the world’s leading suppliers of pressure, temperature and gas density sensing solutions. Its products are used in a wide range of applications including the railway industry, hydraulics and shipbuilding. Founded in Switzerland in 1942, the company now encompasses a distribution and service network covering 40 countries. Its team is passionate about delivering innovative, dependable solutions that empower customers to operate safe and sustainable systems. Trafag understands the needs of the hydrogen market. Many products from the Trafag product portfolio are available for hydrogen applications.

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