Trafag NAR 8258 Railway Pressure Transmitter

Description of Trafag NAR 8258 Railway Pressure Transmitter

Trafag NAR 8258 Railway Pressure Transmitter
Trafag NAR 8258 Railway Pressure Transmitter

They are available in many different designs to suit pressure and electrical connections, measuring procedures, electrical output signals, and certifications (CE, EX, rail, and ship).

About Pressure Transmitters

Electronic pressure gauges, also known as pressure transmitters, are used to measure and track pressure. Pressure transducers and sensors are also frequently referred to as pressure transmitters. However, as the term “pressure sensor” in its more specific definition only refers to a component of the pressure transmitter, this is not a synonym.

Descriptions of Trafag NAR 8258 Railway Pressure Transmitter

Specifically built for railway carriages (EN 50155), the pressure transmitter NAR 8258 has a long-term reliable thin-film-on-steel sensor cell and an enhanced accuracy of 0.3%. The NAR 8258 is the best option for railroad vehicles in harsh climatic circumstances because of its triple overpressure protection and broad temperature range of -40°C to +85°C.

Main Features of Trafag NAR 8258

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

Technical Data of NAR 8258

More Information
Product code8258
NameNAR
DesignationRailway Pressure Transmitter
Product categoryPressure transmitters
Measuring range0 … 6 a 0 … 700 bar 0 … 100 a 0 … 10000 psi
Measuring principleThin-film-on-steel
ApplicationsRailways
Approval / conformityEN 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 signal4 … 20 mA, Switching output: 1 or 2 PNP
Electrical connectionsIndustrial standard, contact distance 9.4 mm; M12x1; Cable IP67, IP68
Pressure connectionsG1/4″ 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 m, DIN EN ISO 6149-2; M12x1.25 m, DIN EN ISO 6149-2; M12x1.5 m, DIN EN ISO 9974-2
Media temperature–40°C … +85°C
Ambient temperature–40°C … +85°C (EN 50155: OT6)

 

Source: trafag.com

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