NAR 8258 Railway Pressure Transmitter

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  • Railway Railway

Main features

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

Technical Data

More Information
Product code 8258
Name NAR
Designation Railway Pressure Transmitter
Product category

Pressure transmitters

Measuring range 0 ... 6 to 0 ... 700 bar 0 ... 100 to 0 ... 10000 psi
Measuring principle Thin-film-on-steel
Applications

Railways

Approval / conformity EN 50155 (Railway) EN 45545-2 (Fire protection) EN 61373 (Shock, vibration) EN 50121-3-2 (EMC)
Accuracy @ 25°C typ. ± 0.3 % FS typ.
Output signal 4 ... 20 mA, Switching output: 1 or 2 PNP transistors
Electrical connections Industrial standard, contact distance 9.4 mm; M12x1; cable IP67, IP68
Pressure connections G1/4" m; G1/4" m with integrated damping; G1/4" m (Manometer); 1/4"NPT m; 7/16"-20UNF m, SAE4 (J1926); R1/4" m, DIN2999; M10x1 m, DIN EN ISO 6149-2; M12x1.5 m, DIN EN ISO 9974-2
Media temperature –40°C ... +85°C
Ambient temperature EN 50155: OT6 (–40°C ... +85°C)

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