Digital pressure switch

Trafag - Electronic Pressure Switch NAR 8258

  • Meets EN 50155 (railways)
  • Parameterization via smartphone App (Android)
  • Measuring accuracy 0.3 %
  • Switching output 1 or 2 PNP transistors
  • Excellent long-term stability

Electronic Pressure Switch NAR 8258

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.

Compliant with:

  • EN 50155 (Railway)
  • EN 45545-2 (Fire protection)
  • EN 61373 (Shock, vibration)
  • EN 50121-3-2 (EMC)

 

Technical data

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