NHT 8250 Hydrogen Pressure Transmitter

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Main features

  • 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
  • Optional: Switching output 1 or 2 PNP
About
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 to last in harsh environments.

Technical Data

More Information
Product code 8250
Name NHT
Designation Hydrogen Pressure Transmitter
Measuring range 0 ... 1 to 0 ... 600 bar (0 ... 15 to 0 ... 7500 psi)
Measuring principle Thin-film-on-steel
Applications

Fuel cells
Hfuelling stations
Hydrogen compressors
Hydrogen tanks
Vehicles with H drive

Approval / conformity EC79/2009: e1*79/2009*406/2010*00047*00
Accuracy @ 25°C typ. ± 0.5 % FS typ. ± 0.3 % FS typ.
Output signal 4 ... 20 mA, 0.5 ... 4.5 VDC, 0 ... 5 VDC, 1 ... 5 VDC, 1 ... 6 VDC, 0 ... 10 VDC, 0.1 ... 10.1 VDC, 0.5 ... 4.5 VDC ratiometric, Switching output: 1 or 2 PNP
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
Media temperature –40°C ... +85°C
Ambient temperature –40°C ... +85°C (Cable PVC 22: -5°C ... +60°C) (Cable PUR 24: -40°C ... +70°C)

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