EPR 8283 – Railway Pressure Transmitter

The EPR pressure transmitter was specifically designed for the high demand of the railway industry and offers reliable and accurate pressure measurement over a wide temperature range. Its excellent long-term stability is based on the leading thin-film-on-steel sensor technology from Trafag.

Features

  • Dielectrical strength: 710 VDC, meets EN 50155 (Railways)
  • Compact design
  • Good temperature resistance
  • Different accuracy classes
  • Completely welded steel sensor system without additional seals
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Technical Data

Applications

Railways

Category

Railways

Accuracy @ 25°C typ.

± 0.5 % FS typ.
± 0.3 % FS typ.

Dielectric strength

710 VDC, 60 s

Measuring principle

Thin-film-on-steel

Approval / conformity

EN 50155 (Railway)
EN 45545-2 (Fire protection)

Vibration

15 g RMS (20...2000 Hz) acc.to EN 60068-2-64
25 g sin (80...2000 Hz), 1 oct./min, (1x @ 25°C) acc.to EN 60068-2-6

NLH @ 25°C (BSL) typ.

± 0.2 % FS typ.

Pressure connections

G1/4" f; G1/4" m Seal;
G1/4" m (Manometer) EN 837;
G1/2" m (Manometer) EN 837;
1/4"NPT m; 1/4"- 18 NPT f; 1/2"NPT m;
R1/4" m, DIN3858;
M14x1.5 m, DIN6149-2;
7/16"-20UNF m, DIN3866;
7/16"-20UNF m, SAE4 (J1926.3);
7/16"-20UNF

Media temperature

–40°C ... +125°C

Shock

500 g / 1 ms acc.to EN 60068-2-27

Electrical connections

EN175301-803-A (DIN43650-A); M12x1; MIL-C 26482; cable

Long term stability 1 year typ.

< ± 0.1 % FS typ.

Ambient temperature

–40°C ... +125°C

Protection

IP65, IP67, IP68

Output signal

4 ... 20 mA

TEB typ. @ -25 ... +85°C

± 1.75 % FS typ.

Measuring range

0 ... 2.5 to 0 ... 600 bar