The circuit has been designed to provide an alarm with the use of a buzzer when sensing high temperature by using a thermistor. Thermistor – one type of resistor used as temperature-sensing element ...
It requires setting a minimum alarm point at 25 percent of the rated service time but allows manufacturers to set it at a higher point. Jan 14, 2013 A final rule published Jan. 14 by NIOSH updates its ...
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