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NAR 8258

NAR 8258 Railway Pressure Transmitter

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Railway

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Main features

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

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 +85°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
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
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 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)
Measuring range	≤ 100 bar ≤ 600 bar < 1500 psi < 7500 psi