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Variohm EuroSensor’s new ETP21R temperature sensor is spec’d for railway applications

Variohm EuroSensor’s new ETP21R temperature sensor is spec’d for railway applications
29/07/2021

Variohm EuroSensor has launched a new variant of its well-proven ETP21 series temperature sensor that fulfils the demanding specifications required by the railway industry. The ETP21R builds upon the pedigree of Variohm’s EPT21 sensors that have gained a solid reputation for value, long life and high performance across many industries including autosports, heavy engineering and hydrogen production. Based on the well-proven PT100 measurement element and with 17-4PH stainless steel wetted components, the EPT21R has been tested for compliance with EN 61373 standards for shock and vibration as well as electromagnetic compatibility to EN 50121-3-2 and salt mist test according to EN ISO 9227-NSS. With a measurement range of -40 to +125 °C and a maximum static operating pressure up to 160 bar, the sensor has a 4 ... 20 mA output and a total error of +/- 2.0% FSO over a temperature range of -20°C to +85°C.

Variohm’s new ETP21R features a robust 22 mm diameter stainless-steel housing with sealing to IP6X9K (EN 606029), a G1/4A-E pressure connection and an M12x1 round electrical connector for straightforward installation for railway rolling stock and apparatus applications. In addition to shock and vibration ratings of 1000 g/11 msec. and 16 g peak/20 to 2000 Hz respectively, the ETP21R’s wide supply voltage range (min. 14,4 V, max. 33,6 V), short-circuit and reverse voltage protection as well as a 100 M? isolation resistance at 710 VDC ensures reliable and trouble-free operation. Detailed product information is available for download from the Variohm website.

With its own design and manufacturing capability and distribution partnerships with globally leading sensor suppliers, Variohm EuroSensor offers comprehensive sales and application support, and stock availability across a wide range of position, force, pressure, load, and temperature sensor technologies for demanding measurement application solutions in industry, construction, agriculture, motorsports, medical, research and more. For further details call +44 (0)1327 351 004, email sales@variohm.com or visit www.variohm.com.

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