Trafag NHT 8250 Series Hydrogen Pressure Transmitter

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

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

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