RAILWAY PRESSURE TRANSMITTER ECR 8478

Product catalog summary

Overview: The document provides detailed technical specifications for Trafag's Railway Pressure Transmitter, designed for railway applications. It highlights the product's compliance with EN 50155 for dielectrical strength and offers various pressure measurement ranges.

Applications: The transmitter is suitable for railway applications, offering dielectrical strength of 600 VAC / 710 VDC and measuring ranges starting from 100 mbar.

Features: Trafag is a Swiss-based supplier known for high-quality sensors. The transmitter supports both relative and absolute pressure measurements and offers an optional frontal membrane.

Technical Data:

Measuring principle: Thick-film-on-ceramic
Accuracy: Typically ±0.3% FS at 25°C
Measuring range: 0 to 60 bar (0 to 1000 psi)
Media temperature: -25°C to +125°C
Output signal: 4 to 20 mA
Conformity: EN 50155, EN 45545-2

Ordering Information: The document provides a detailed type code for ordering, specifying pressure measurement ranges, overpressure, burst pressure, and material options for pressure connections and housings.

Specifications:

Electrical Data: Output/supply voltage of 4 to 20 mA, with a rise time of 1 ms
Environmental Conditions: Media and ambient temperature range from -25°C to +125°C, with IP65 and IP67 protection
Mechanical Data: Sensor made of ceramic, housing of AISI316L, and a weight of approximately 110 g

Accuracy: The document details accuracy specifications across different temperature ranges and pressure measurements, highlighting long-term stability and temperature effects on zero point and span.

Additional Specifications for Railways: The transmitter meets various environmental conditions and standards for cold, dry heat, damp heat, vibration, shock, and fire behavior, as per EN standards.

Dimensions: Detailed dimensions are provided for different configurations, including male and female thread options.

Additional Information: Links to further documentation, 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. Applications Features ■ Railways ■ Dielectrical strength: 600 VAC / 710 VDC, meets EN 50155 (Railways) ■ Measuring ranges from 100 mbar ■ Relative or absolute pressure measurement ■ Frontal membrane optional Subject to change Data sheet H72337f 02/2020 Trafag sensors & controls Industriestrasse 11 Tel. +41 44 922 32 32 www.trafag.com trcifciq sensors controls

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8478. XX Measuring range 1) Sensor Pressure measurement range [bar] with temperature compensation without temperature compensation Relative pressure, Material pressure connection and housing: 1.4305 (AISI303) 3) 5) Relative pressure, Material pressure connection and housing: 1 .4404/1.4435 (AISI316L) 3) Relative pressure, Material pressure connection and housing: 1.4305 (AISI303) 4) 5) Absolute pressure, Material pressure connection and housing: 1.4305 (AISI303) 3) 5) Relative pressure, Material pressure connection and housing: 1 4404/1.4435 (AISI316L) 4) Absolute pressure, Material pressure...

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11 Extended overpressure as well as customized pressure ranges upon request 2) Upon request 3) Max. 40 bar or 500 psi 4) > 1 bar 5) Only with pressure connection 17 (1.4305) 6) Only for pressure ranges < 25 bar or 400 psi 7) The order quantity must be a multiple of 50, only for electrical connections 05 and 35 8) Not for pressure connection 52 9) Only for sensors without temperature compensation Vacuum measuring ranges: Measuring ranges below 0 bar (e.g. -1 bar ... 0 bar) are available as special pressure ranges. Reversed calibration: A reversed calibration is also possible for measuring ranges...

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trofaq sensors ^^controls

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r Additional specifications railways 11 In Category 3 the 2010 versions' higher severity levels apply in each case 2) Chapter 5.1 Voltage supply 3) Male electrical plug EN 175301-803-A, cat. 2 trofaq sensors ^^controls

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ECR 8478 Dimensions 36–38 with male thread 48.5–50.5 with female thread

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31-32 with male thread Einschweissflansch für G3/4" Welding flange for G3/4” Frontmembran (1.4301) frontal membrane (1.4301) Bestell-Nr. C27805 Ordering No. C27805

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