W1209 digital temperature control switch

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This unit is ideal for controlling lamps or 12 volt heaters / coolers that you might have. Just plug into a 12VDC source in the V12 and GND to power the system, it comes with a 52cm probe that will start measuring the temperature, you can change the settings in the menu to have a delayed start to measure the temperature . The use of a relay can be used as a cooler when the temperature increases the fan turns on or as a heater when the temperature decreases turn on the system. Choose one or the other can be done in the menu settings. It is a simple "plug and play" device that should allow you to start with your projects as the relay will act as a normally open switch, when the thermostat reaches the programmed target temperature it will activate the relay to create a closed circuit. Comes with an alarm to indicate if the temperature rises past the temperature of your setting. This feature is disabled by default in the menu settings.


Operating voltage: 12VDC
Standby current: 35mA
Active Current: 65mA
Max voltage on the relay: 12VDC
Max current on the relay: 10A
Operating temperature: -10 ~ 60 ℃
Operating humidity: 20% ~ 85%
Dimension: 48 x 40 mm (W x L)
Length of the cable: 52cm
Temperature range: -50 to 110 ° C
Refresh rate: 0.5 sec
The hysteresis accuracy: 0.1 ° C


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