Hydrogen Pressure Transmitter EHI 8280

Trafag AG

  • Robust mechanical design with fully welded housing is built to last in harsh environments.
  • EC79/2009 certified by the KBA Kraftfahrt-Bundesamt
  • Wetted materials made of hydrogen-compatible steel
  • Completely welded sensor system without additional seals
  • Hydrogen pressure transmitter with excellent long-term stability

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Hydrogen Pressure Transmitter EHI 8280

  • Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature.
  • The EHI 8280 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 to last in harsh environments.

Key features

  • The EHI 8280 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 to last in harsh environments.
  • EC79/2009 certified by the KBA Kraftfahrt-Bundesamt
  • Wetted materials made of hydrogen-compatible steel
  • Completely welded sensor system without additional seals
  • Excellent long-term stability

Technical specifications

  • Accuracy: 25°C typ. ± 0.5 % FS typ. ± 0.3 % FS typ.
  • Output signal : 4 ... 20 mA, 0 ... 5 VDC, 0.5 ... 5 VDC, 1 ... 6 VDC, 0 ... 10 VDC, 0.5 … 4.5 VDC ratiometric
  • Electrical connections:
    • EN175301-803-A (DIN43650-A);
    • M12x1;
    • Industrial standard, contact distance 9.4 mm;
    • Packard Metri Pack;
    • MIL-C 26482;
    • DIN72585;
    • Cable
  • Pressure connections:
    • G1/4' m Seal;
    • 1/4'NPT m;
    • 7/16'-20UNF-2A m, SAE J1926-2;
    • 9/16'-18UNF-2A m, SAE J1926-2;
  • Media temperature: –40°C ... +85°C
  • Ambient temperature: –40°C ... +85°C Cable PVC: -5°C ... +60°C Cable PUR: -20°C ... +70°C Cable Raychem: -20°C ... +85°C

Application areas

  • Fuel cells
  • H2 fuelling stations
  • Hydrogen compressors
  • Hydrogen tanks
  • Vehicles with H2 drive

Contact us

  • Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. Interested? Please contact Trafag by filling in the contact vendor form.
Brand Trafag
Max Pressure (in bar) 600
Compliant with EC79
Max Ambient Temperature (in °C) 85
Min Ambient Temperature (in °C) -40
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