DESCRIPTION The W1209 is a very low cost still highly practical a thermostat controller. With this module, one can control power to most types of electrical loads on the temperature sensor sensed by the supplied NTC temperature sensor. The best part is that for this no programming knowledge is required. 3 push button switches are used for configuring various parameters for on & off a relay triggered by changing temperatures. The relay switch contact handles 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 relay state by an onboard LED. 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…
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