Model-w1209

Temperature control circuit

1.9inch digital display

Maximum temperature -120digri celcius

W1209 Digital LED Temperature Controller Module with Waterproof NTC Sensor

The W1209 Digital LED Temperature Controller Module is a highly versatile and accurate temperature control switch designed for precise thermal regulation. It features an adjustable temperature range of -50°C to 110°C, making it ideal for incubators, aquariums, greenhouses, and industrial applications.

This module operates on DC 12V and includes a relay output (10A), allowing you to control heating and cooling devices effectively. The bright 3-digit LED display provides real-time temperature readings, and its three-button interface makes it easy to set parameters such as temperature limits, hysteresis, and delay time.

The W1209 controller comes with a waterproof NTC thermistor sensor, ensuring accurate and reliable temperature detection even in moist environments. The adjustable hysteresis setting prevents rapid relay switching, ensuring stability and prolonging the lifespan of connected devices.

Key Features & Benefits

1. Wide Temperature Measurement Range (-50°C to 110°C)

Designed for various heating and cooling applications, offering a broad and adjustable temperature range.

2. High Accuracy (±0.1°C Precision)

Ensures accurate temperature detection and control, reducing fluctuations and inconsistencies.

3. DC 12V Power Supply

Operates on 12V DC, making it compatible with common power adapters and battery systems.

4. Relay Output (10A Capacity)

Supports a maximum load of 10A at 12V, allowing direct control of fans, heaters, refrigerators, or other devices.

5. Waterproof NTC Sensor

Comes with a high-quality, waterproof NTC thermistor sensor, making it ideal for wet environments like aquariums and hydroponics.

6. Dual Heating & Cooling Modes

Easily switch between heating and cooling functions, making it perfect for temperature-sensitive applications.

7. 3-Digit LED Display

The bright LED screen shows real-time temperature readings, even in low-light conditions.

8. Adjustable Hysteresis Control

Prevents rapid switching by allowing you to set the temperature difference before activation.

9. User-Friendly Button Interface

Three tactile buttons enable quick and easy configuration of temperature settings and parameters.

10. Ideal for Multiple Applications

• Incubators & hatcheries
• Aquariums & fish tanks
• Greenhouses & hydroponics
• Temperature-sensitive storage systems
• Industrial temperature regulation

Why Choose the W1209 Controller?

✔ Accurate temperature control







✔ Compact and easy to use







✔ Waterproof sensor included







✔ Supports heating & cooling devices







✔ Reliable and energy-efficient