Trafag 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 of Trafag NHT 8250 Hydrogen Pressure Transmitter
| More Information | |
| 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) |
Main Features of NHT 8250 Hydrogen Pressure Transmitter
- 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
Source: trafag.com
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