Fanless temperature sensor

  • 17-Jan-2011 03:13 EST
2 - Preh non-ventilated temperature sensor[1].jpg

Preh’s nonventilated sensor with temperature-detection capabilities offers a less-complicated system design than ventilated sensors. The fanless sensor combines a number of thermistors in an array, and it features a temperature-sensitive cap that reacts instantaneously to changes in temperature along with a precise ability to measure and evaluate temperature data. Bypassing infrared radiation (IR) considerations, Preh instead relies on the cap’s thermal sensitivity to determine interior cabin temperatures paired with a comprehensive software algorithm that correctly evaluates the measurements and compensates for implausible or misleading detections such as a finger touch or direct solar radiation on the temperature-sensitive cap. According to Preh, this sensor achieves the best response and comes the closest to achieving accurate cabin temperature measurements compared to earlier generation sensors. The neutral-design sensor allows color-coordination of the cap with the interior so it may be positioned inconspicuously.

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