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W1209 Temperature Control Switch

DESCRIPTION:

The W1209 is an incredibly low cost yet highly functional thermostat controller. With this module
you can intelligently control power to most types of electrical device based on the temperature
sensed by the included high accuracy NTC temperature sensor. Although this module has an
embedded microcontroller no programming knowledge is required. 3 tactile switches allow for
configuring various parameters including on & off trigger temperatures. The on board relay can
switch up to a maximum of 240V AC at 5A or 14V DC at 10A. The current temperature is displayed in
degrees Centigrade via its 3 digit seven segment display and the current relay state by an on board
LED.

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Summary of Contents for Diymore W1209

  • Page 1 W1209 Temperature Control Switch DESCRIPTION: The W1209 is an incredibly low cost yet highly functional thermostat controller. With this module you can intelligently control power to most types of electrical device based on the temperature sensed by the included high accuracy NTC temperature sensor. Although this module has an embedded microcontroller no programming knowledge is required.
  • Page 2 SPECIFICATION: Temperature Control Range: -50 ~ 110 C Resolution at -9.9 to 99.9: 0.1 C Resolution at all other temperatures: 1 C Measurement Accuracy: 0.1 C Control Accuracy: 0.1 C Refresh Rate: 0.5 Seconds Input Power (DC): 12V Measuring Inputs: NTC (10K 0.5%) Waterproof Sensor: 0.5M Output: 1 Channel Relay Output, Capacity: 10A Power Consumption...
  • Page 3 Setting the trigger temperature: To set the trigger temperature press the button marked 'SET'. The seven segment display will flash. You can now set a trigger temperature (in oC) using the '+' and '-' buttons in 0.1 degree increments. If no buttons are pressed for approximately 2 seconds the trigger temperature will be stored and the display will return back to the current temperature.

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