Temperature and humidity controller THC-202

THC-202 is a temperature and humidity controller. It consists of two displays and an output relay. When the ambient temperature is under the set threshold temperature value or the ambient relative humidity is over the set threshold value, the output relay is triggered. A heating resistance connected to the output relay can be energized and controlled to increase the ambient temperature and decrease the relative humidity.

Features

THC-202 is designed to control temperature and humidity by means of a heating resistance in order to prevent high humidity or low temperature levels. The device is equipped with two digital inputs to set threshold values and a relay output. Its relay is programmed to be activated where ambient temperature is less than the set temperature or ambient relative humidity is higher than its set value.

THC-202 starts automatically after the system is energized.

Default temperature threshold value of THC-202 is 20 C degrees. Default relative humidity threshold value of THC-202 is %60.

When ambient temperature is below the threshold temperature value or ambient relative humidity is over the threshold value; the output relay of the THC-202 is triggered. In turn, this relay can be used for activating a heating resister to increase the ambient temperature or active a LED or a buzzer to alarm the personnel. The output relay of the THC-202 is powered, and the connected device can be supplied through the relay.

If it is cold or there is high relative humidity, the device will activate heating resistance by means of its relay and the temperature will increase also relative humidity will decrease related with temperature. LED indicators are placed in the upper part of the device to show status of Vaux and Rout. The relay switches Vaux directly to Rout, so it is important to be aware that the heating resistance should be connected directly to the device, and there is always line voltage at Rout when the relay is ON.

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