Published: 26 February, 2014
It is not unusual in industry for high temperatures to occur, but the automated systems have to cope. For this reason, ifm electronic, a sensor market leader recently launched a range of self-contained inductive proximity sensors capable of working up to 180°C.
Six variants in four sizes are available – M12, M18, M30 and M50. The single notable difference being that the M12 units will operate up to a slightly lower 150°C, which in itself is still roughly double the maximum of a standard sensor.
The solder used in normal electronics melts at temperatures above 100°C, and electronic components need to be carefully selected. Other materials, such as the cable must also withstand higher temperatures. For this reason the high temperature units are manufactured with stainless-steel housings fitted with a silicone cable.
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