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T9602-Slide2

This slide illustrates the historical way of putting a humidity sensor in a control system where there is typically a sensor transmitter and a controller. The controller has a power supply on board providing 24 VAC to the sensor. The sensor then either has a digital to analog converter or amplifier which sends either a 0 to 10V or 4 to 20mA signal back to the controller which is then converted by the analog to digital converter on the controller.

PTM Published on: 2015-05-18