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Variohm EuroSensor has launched a variant of its ETP21 series temperature sensor that meets the demanding specifications required by the rail industry.
Based on the established 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°C to +125°C and a maximum static operating pressure up to 160 bar, the sensor has a 4 to 20 mA output and a total error of +/- 2·0% FSO over a temperature range of -20°C to +85°C.
It has 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 on rolling stock.
This article first appeared on www.railwaygazette.com
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