W2809WK DC12V Digital Thermostat Temperature Control Sensor Panel

The W2809WK DC12V Digital Thermostat Temperature Control Sensor Panel is a professional-grade temperature control module designed for high-precision monitoring and automated switching in heating and cooling systems. With its sleek control panel design, digital display, and intelligent programming features, this module is widely used in HVAC applications, incubators, water heaters, refrigerators, aquarium systems, and industrial automation. Its advanced functionality and solid-state technology make it a preferred choice for engineers, technicians, and hobbyists seeking a stable and reliable temperature controller.

This description includes unique, well-structured, and error-free English content with datasheet-level details, organized in clear sections with bullet points.

Key Features

• Digital thermostat with high-accuracy temperature measurement.

• Supports both Heating (H) and Cooling (C) modes for flexible control.

• Built-in LED digital display for real-time temperature monitoring.

• Touch-style control panel interface for easy setup.

• Compatible with ١٢V DC power sources.

• Equipped with a waterproof temperature probe for stable readings.

• Intelligent protection functions including delay start, temperature limit, and calibration.

• Suitable for smart home systems, industrial controllers, and DIY electronics projects.

Technical Specifications (Datasheet Highlights)

• Model: W2809WK

• Working Voltage: ١٢V DC

• Temperature Measurement Range: −٥٠°C to +١١٠°C

• Control Precision: ±٠.١°C

• Output Type: Relay output

• Relay Capacity:

  • ١٠A at ٢٢٠V AC

  • ١٠A at ١٢V DC

• Operating Modes: Heating / Cooling

• Display: High-brightness 3-digit LED

• Sensor Type: NTC 10K waterproof probe

• Probe Cable Length: Approx. 50cm

• Configuration Parameters:

  • P0: Mode selection (Heating / Cooling)

  • P1: Temperature hysteresis (٠.١°C – ١٥°C)

  • P2: Upper limit temperature

  • P3: Calibration adjustment

  • P4: Delay time protection

  • P5: High-temperature alarm threshold

• Panel Dimensions: Compact design suitable for dashboards and enclosures

Applications

• Advanced incubator temperature regulation

• Greenhouse climate management

• Smart water heater controllers

• Aquarium and terrarium environment control

• Computer/server cooling systems

• Refrigeration units and freezer monitoring

• Industrial machines and equipment protection

• IoT-based environmental sensing systems

Advantages

• User-friendly touch panel with fast and precise control.

• Real-time digital temperature display improves accuracy and safety.

• Strong relay output suitable for both AC and DC loads.

• Designed for long-term stability and durability in various environments.

• Perfect for professional and DIY projects requiring accurate temperature automation.

How It Works

The W2809WK DC12V Digital Thermostat Temperature Control Sensor Panel operates by continuously reading the temperature through its NTC probe. When the measured temperature goes above or below the user-set threshold, the internal relay activates to control external devices such as heaters, fans, or coolers. With adjustable hysteresis, calibration, and alarm settings, the controller ensures dependable and intelligent temperature regulation in real time.

Summary

The W2809WK DC12V Digital Thermostat Temperature Control Sensor Panel is a powerful, precise, and versatile digital thermostat built for advanced temperature control applications. Its strong relay capacity, digital interface, intelligent protection, and datasheet-grade performance make it ideal for professionals, engineers, students, and DIY developers looking for dependable and accurate temperature automation.