This is the W1209 Temp Controller Thermostat, an incredibly low-cost temperature controller. This W1209 temperature controller monitor is a highly functional thermostat handler.

• Digital LED Temperature Controller AC 220V 10A
• Timer Relay 12V
• Temperature Control Range: -50 to 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): 12 V
• Measuring Inputs: NTC (10K, 0.5%)
• Waterproof Sensor: 0.5 m
• Output: 1 channel relay output, capacity: 10 A

Power Consumption

• Static Current: =35 mA
• Current: <=65mA

Environmental Requirements

• Temperature: -10 to 60 °C
• Humidity: 20-85%

Dimensions

• 48mm x 40mm x 14mm

Settings Chart

• Press the button long enough to activate the menu.

Code Description Range Default Value of W1209 Temperature Controller LED:

• P0 Heat C/H C
• P1 Backlash Set 0.1–15
• P2 Upper Limit: 110
• P3 Lower Limit: -50 -50
• P4 Correction: -7.0  7.0
• P5 Delay Start Time 0–10 mins
• P6 High Temperature Alarm 0-110 OFF
• Long pressing +- will reset all values to their default.

Displaying the current temperature:

The thermostat will display the current temperature in oC by default.

Setting the trigger temperature W1209 Temperature controller LED:

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 to the current temperature.

Package Included:

• 1 x W1209 Temp Controller Thermostat