Pressure transmitter NAR 8258 - Railway

Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. The pressure transmitter

NAR 8258 with increased accuracy of 0.3 % was specifically designed for railway vehicles (EN 50155) and has a long-term stable thin-film-on-steel sensor cell. The wide temperature range from -40°C to +125°C and the triple overpressure protection make the NAR 8258 the ideal choice for railway vehicles in rough environmental conditions.


  • Measuring accuracy 0.3 %
  • Optional: Switching output 1 or 2 PNP transistors
  • Excellent long-term stability
  • Meets EN 50155 (railways)


  • Railways

Application Railway
Accuracy ±0,3% FS
Material 1,4542/630
Measuring range 0...6 to 0...600 bar
Pressure connection G1/4” male, 1/4” NPT male, 7/16”-20UNF SAE4 male, et al.
Sensor technology Thin film on steel
Protection rating IP65, IP67, IP68
Connection Industrial standard, M12x1
Output 4...20 mA, 1 PNP, 2 PNP
Media temperature -40...+85°C
Temperature range -40...+85°C

Maximilian Grudin

Product division:
Pressure- and temperature sensors

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