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NHT 8250

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: e179/2009406/20100004700
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)