Main features
• - EC79 and ECER-134 certification pending
• - 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
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 last in harsh environments.
Technical Data
More Information
Product code - 8250
Name - NHT
Designation - Hydrogen Pressure Transmitter
Measuring principle - Thin-film-on-steel
Applications - Fuel cells
Hfuelling stations
Hydrogen compressors
Hydrogen tanks
Vehicles with H drive
Accuracy @ 25°C typ. - ± 0.5 % 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 transistors
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)