Sensors & Transducers


Baumer's resistant inductive sensors

March 2012 Sensors & Transducers

The inductive outdoor sensors IFRR (proximity switches) and IWRR (distance measuring sensors) from Baumer meet the requirements of the highest corrosion category: C5-M. Both sensors are ideally suited to use in demanding ambient conditions at sea or on the coast, eg, in wind power stations.

Digital inductive sensors are mainly used to detect nacelle position and the rotor speed. Measuring sensors are applied for monitoring the brakes and the shaft deflection. To meet the requirements of C5-M, the sensors were subjected to a 60 day salt spray test followed by a 720 hour water resistance test in accordance with ISO 6270. The results show that these inductive sensors meet the highest corrosion resistance demands and Baumer guarantees long service life from the products.

Thanks to the unique proTect+ concept, the sensors are leak proof in accordance with protection class IP69K even after numerous temperature cycles. This means that the sensors are especially low-maintenance, with an average service life (MTTF) of over 100 years. The wide temperature range of -40 to +70°C also ensures constantly reliable measured values and detection results, even at extreme temperatures or great temperature fluctuations.



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