Digital Thermometer with Thermostat and Relay, easy to use, with LED screen and 0.1°C accuracy.
With this device you can measure and control temperatures between -50 ° C and 110 ° C.
It has a relay output.
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The module is powered by a stable 12 V DC source. The power pins are made through the screw terminals marked "+12 V" and "GND". Unlike a regular relay, it has only two terminals "K0" and "K1". When the sensor reaches a certain temperature, "K0" and "K1" are either connected or disconnected, depending on the module configuration.
There is an LED on the module to indicate the status of the relay (switched on or off). When the LED is lit, the relay is switched on so that "K0" and "K1" are connected. Otherwise, the relay is disconnected so that "K0" and "K1" are disconnected. This LED is useful to know if the relay is switching on properly, depending on the configuration chosen.
Connect the temperature sensor.
If the module is powered on and the temperature sensor is not connected, an error message "LLL" appears on the segment screen. The error message automatically disappears when you connect the sensor.
Set the trigger temperature.
To set the trigger temperature, you must press the "SET" button and then use the buttons marked with "+" and "-" to increase or decrease the trigger temperature, respectively. The setting step is 0.1 ° C. Once you have selected the desired temperature, you must press the "SET" button again to confirm the selected temperature.
Configuring operating parameters.
The module has 6 operating parameters, which you can change by holding down the "SET" button for 5 seconds. The code of the parameter selected to be changed will appear on the screen, (from "P0" to "P6"):
Possible values of the configuration parameters:
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