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Specifications

Product Details

The W1209 is an affordable and highly functional thermostat controller designed to manage power to various electrical devices based on temperature readings. Featuring a high-accuracy NTC temperature sensor and user-friendly controls, it ensures precise temperature management without the need for programming knowledge.

Key Features:

  • Intelligent Temperature Control: Utilizes a high-accuracy NTC temperature sensor to manage power to electrical devices based on temperature readings.
  • User-Friendly Operation: No programming knowledge required; configure parameters using three tactile switches.
  • Versatile Display: Current temperature displayed in degrees Centigrade via a 3-digit seven-segment display, with relay state indicated by an onboard LED.
  • Precise and Reliable: Microprocessor-controlled output ensures high precision and excellent temperature reading resolution.
  • Waterproof Sensor: Includes a 0.5M waterproof NTC probe, suitable for controlling temperatures in fluids.

Technical Specifications:

  • Temperature Control Range: -50 ~ 110℃
  • Resolution at -9.9 to 99.9: 0.1℃
  • Resolution at Other Temperatures: 1℃
  • Measurement Accuracy: 0.1℃
  • Control Accuracy: 0.1℃
  • Refresh Rate: 0.5 Seconds
  • Input Power (DC): 12V
  • Measuring Inputs: NTC (10K 0.5%)
  • Output: 1 Channel Relay Output, Capacity: 10A
  • Power Consumption: Static Current: <=35mA, Current: <=65mA
  • Environmental Requirements: Temperature: -10 ~ 60℃, Humidity: 20-85%
  • Dimensions: 48mm x 40mm x 14mm

Additional Parameters:

  • P0: Cooling/Heating; Range: C/H; Default: C
  • P1: Hysteresis Setting; Range: 0.1-15; Default: 2
  • P2: Highest Setting Limit; Range: 110; Default: 110
  • P3: Lowest Setting Limit; Range: -50; Default: -50
  • P4: Temperature Correction; Range: -7~7℃; Default: 0℃
  • P5: Delay Start Time; Range: 0-10 Minutes; Default: 0
  • P6: High Temperature Alarm; Range: 0-110; Default: Off

Restore factory settings by long-pressing "-" or "+" when the thermostat is powered off. The W1209 offers precise and reliable temperature control for a wide range of applications.