This is XH W1209 digital temperature controller Module W/ Display and NTC Waterproof Temperature Sensor.

W1209 Mini thermostat Temperature controller is low-cost 12V Temperature controller with 7-segment display and 3 switch keypad for setting temperature and other parameters. The module features an NTC thermistor temperature sensing and has an accuracy of 0.1 C.

The XH W1209 digital temperature controller Module W/ Display and NTC Waterproof Temperature Sensor is an incredibly low cost yet highly functional thermostat controller. With this module, you can intelligently control power to most types of electrical devices based on the temperature sensed by the included high accuracy NTC temperature sensor.

Long press the “SET” button to activate the menu

(SET THE VALUES AS MENTIONED IN BRACKET)

Code Description Range Default Value

P0 Heat C/H (C)

P1 Backlash Set 0.1-15  (2)

P2 Upper Limit 110 (110)

P3 Lower Limit -39 (-39)

P4 Correction -7.0 ~ (0)

P5 Delay Start Time 0-10 mins  (0)

P6 High-Temperature Alarm 0-110  (OFF)

Long pressing “+/-” will reset all values to their default

Features :

1. Power Consumption
2. Static Current: <=35mA
3. Current: <=65mA
4. Environmental Requirements
5. Temperature: -10 ~ 60 C
6. Humidity: 20-85%