| | Outside air temperature sensor for Criterion, Mini-Max, Mystic or WeatherMAX. Can be supplied with a variety of 2-wire cable lengths.
Sensor element is a precision thermistor, a solid state device which changes its resistance inversely proportional with temperature from 150,000 Ohms at low end to 1,500 Ohms at high end. Interchangeability of thermistors is ± 0.2°C; time constant 10 sec. | | 
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