XH W1209 12V Digital Temperature Controller Module W/ Display and NTC Temp Sensor

XH W1209 12V Digital Temperature Controller Module With Display + NTC Sensor

The XH W1209 is a low-cost and reliable 12V digital temperature controller with a 7-segment LED display, 3 control buttons, and a high-accuracy NTC temperature sensor. It allows you to automatically control ON/OFF of electrical devices based on temperature.

It shows the current temperature in °C, and you can adjust settings like cooling/heating mode, delay time, high-temperature alarm, limits, and correction.

This module is ideal for DIY projects, electronics, home automation, incubators, heaters, AC control, and safety cut-off systems.

Main Functions

• Displays current temperature (°C)

• Set trigger temperature with SET, +, – buttons

• Supports Heating (H) and Cooling (C) modes

• Adjustable hysteresis, temperature limits, correction, delay, high-temp alarm

• Relay ON/OFF indicator LED

• Auto return to main temperature screen

Settings Chart (P0–P6)

Tip: Long press SET (5 sec) to enter menu.
Long press + / – to reset all settings to default.

Applications

• Temperature display

• Automatic ON/OFF based on temperature

• Incubators

• Water heaters auto cut-off

• Fire alarm systems

• Fans, coolers, AC control

• DIY automation projects (AC & DC)

Specifications

• Power: 12V DC

• Sensor: NTC high-accuracy

• Display: 3-digit 7-segment

• Static current: ≤35mA

• Working current: ≤65mA

• Temperature range: –10°C to 60°C

• Humidity: 20–85%

• Relay: 12V (varies by manufacturer)