W1209 DC 12V Digital Temperature Controller Board Blue Digital Display Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with Waterproof Case (1pc Red)

Price: $5.99
(as of Oct 16, 2026 11:17:15 UTC – Details)


Specification:

• Type: Digital Thermostat
• Input Voltage: DC 12V
• Temperature Sensor Type: NTC(10K 0.5%) Waterproof Sensor
• Display Type: 0.28inch 3-Bit Digital Tube
• Temperature Range: -50~110°C
• Resolution: 0.1 (9.9~99.9), 1 (other)
• Temperature Control Mode: On/Off
• Temperature Control Accuracy: 0.1
• High Temperature Protection: 0-110
• Refresh Frequency: 0.55s
• Return Difference Accuracy: 0.1
• Output: 10A One-Channel Relay
• Static Current: 35MA
• Suction Current 65MA
• Environmental Requirements: -10 ~ 60, 20%-85% RH

Instructions:

• Long Press SET for 5s to Get Menu, Starts at P0, Press +/- to Get Next P-Parameter, Press Set to Determine the P-Parameter, Press +/- to Set the Desired Value for the Selected Parameter, Press SET to Accept it, Long Press +/- Reset to Default

Indicator & Digital Tube Status:

• Indicator: Off – The Relay is Disconnected, ON – The Relay is Closed
• Digital Tube: Display LL – Sensor Open Circuit; Display HH – Exceed the Measuring Range, the Temperature Controller will Force the Relay to Disconnect; Display —– – High Temperature Protection

Parameter Setting:
Setting Comparison Table:

• P0 Refrigeration/Heating; Range: C/H; Default: C
• P1 Return Difference Setting; Range: 0.1-15; Default: 2
• P2 Maximum Setting Limit; Range: 110; Default: 110
• P3 Minimum Setting Limit; Range: -50; Default: -50
• P4 Temperature Correction; Range: -7.0~7.0; Default: 0
• P5 Delay Start Time; Range: 0-10min; Default: 0
• P6 High Temperature Alarm; Range: 0-110; Default: OFF

Package Contents:

• 1x W1209 DC12V Temperature Sensor

W1209 DC Digital Temperature Controller Board:Input Voltage: DC 12V;Output: 10A One-Channel Relay;Type: Digital Thermostat
High Accuracy:W1209 Digital Temperature Controller with 3-Digit LED Display and Using SMD Patch Technology,High Accuracy, Stable Performance
Intelligent Control: W1209 Temperature Sensor Embedded CPU Chip (MCU), More Intelligent, Lower Power Consumption
Tested Multiple Times:The Module Has Been Tested for Stability, Consistency and Reliability. Wide Temperature Measuring Range -50~110°C, Control Precision: 0.1 Celsius
NTC10K Waterproof Probe:XH-W1209 Micro Temperature Controller Equipped with NTC10K Waterproof Probe which Allows to Control the Temperature Even of Fluids,Allowing the Controlled Heated or Cooling