RAILWAY PRESSURE TRANSMITTER EPR 8293

Product catalog summary

Overview: The document provides detailed technical specifications and ordering information for the EPR 8293 Railway Pressure Transmitter by Trafag, a Swiss-based company known for high-quality sensors and monitoring instruments.

Applications: The EPR 8293 is designed for railway applications, meeting the EN50155 standard for dielectrical strength and offering a compact design with good temperature resistance and various accuracy classes.

Features: The transmitter uses thin-film-on-steel sensor technology for reliable and accurate pressure measurement over a wide temperature range, ensuring excellent long-term stability.

Technical Data:

Measuring Principle: Thin-film-on-steel
Accuracy: Typically ±0.5% FS at 25°C
Measuring Range: 0 to 2.5 up to 600 bar
Media Temperature: -40°C to +125°C
Output Signal: 4 to 20 mA
Approval: EN 50155 (Railways)

Ordering Information: The document provides a type code for ordering, detailing options for measuring range, pressure connection, electrical connection, and output signal. Accessories such as pressure peak damping elements and female electrical plugs are also listed.

Specifications:

Electrical Data: Dielectric strength of 500 VAC, resistance of insulation > 10 MΩ
Environmental Conditions: Media and ambient temperature range from -40°C to +125°C, with protection ratings of IP65 and IP67
Mechanical Data: Sensor and housing materials specified, with mounting torque of 25 Nm

Accuracy: The document provides detailed accuracy specifications, including measuring accuracy, temperature effects, and long-term stability.

Dimensions: Various dimensions are provided for different configurations of the pressure transmitter.

Additional Information: Links to further documents such as data sheets, instructions, and flyers are provided for more detailed information.

Catalog excerpts

RAILWAY PRESSURETRANSMITTER Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for measurement of pressure and temperature. 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. Applications Features ■ Railways ■ Dielectrical strength: 500 VAC, 50 Hz, meets EN50155 (Railways) ■ Compact design ■ Good temperature resistance ■ Different accuracy classes ■ Completely welded steel sensor system without additional seals Subject to change Data sheet H72311 g 09/2019 Trafag sensors & controls Switzerland sensors controls

Open the catalog to page 1

Burst pressure [bar] 100 100 100 200 200 300 300 500 500 1000 1000 1500 2000 Sensor Relative pressure, accuracy: 0.3 % Relative pressure, accuracy: 0.5 % Pressure G1/4" male (Seal) connection R1/4" male 2) 1/4" NPT male 3) 1/2" NPT male 3) Electrical Male electrical connector EN 175301-803-A (DIN43650-A), Mat. PA connection Male electrical connector EN 175301-803-A, Mat. PA, Extended vibration resistance Male electrical connector MIL-C 26482, 6-pole, metal 4) Output Signal output Load resistance I (supply) U (supply) 1) Extended overpressure as well as customized pressure ranges upon request...

Open the catalog to page 2