Temperature sensor built for rugged use

By Ahmed ElAmin

- Last updated on GMT

Related tags: Sensor

A new rugged temperature device is designed for high moisture
environments, where the sensor is subject to continuous freeze and
thaw cycles.

Spectrum Sensors and Controls says its new temperature sensor has been tested to 10,000 freeze and thaw thermal cycles, is waterproof to IP68 standards and can operate in a range of -40°C to 105°C The sensor's thermistor element is isolated from outside moisture and also the high stress of freezing and thawing. Its swaged end design forms a moisture seal between the cable and housing. The sensor can be used for climate control systems, food and beverage operations and in refrigeration units. The sensor features standard resistance values ranging from 2,252 to 10,000 W at 25°C with a wide variety of thermistor curves and resistances, the company claimed. It comes with a standard cable length of 3 ft. Optional lengths and terminals are available. The sensor can also be used with Spectrum's clip-on assembly for 3/8" and 1/2" copper pipes. The temperature sensor is designed to prevent ice build up, a common occurrence in many refrigeration appliances. In a standard temperature sensor, water can generally breach the end seal of the probe, allowing the ice to exert a significant force on the wire or cable. Once the water has penetrated the housing, subsequent freezing and thawing cycles help provide a direct moisture path to the thermistor element.

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