XH-M452 Temperature and Humidity Controller Module

The M452 Temperature & Humidity Controller is a digital control module designed to monitor and regulate both temperature and humidity simultaneously. It features a dual relay output, bright LED display, and an external temperature-humidity sensor, making it suitable for automation, environmental control, and climate-based switching applications.

Technical Specifications:

• Operating voltage: 12V DC
  
• Display type: Dual digital LED display
  
• Temperature measurement range: -20°C to +80°C
  
• Humidity measurement range: 0% to 99% RH
  
• Temperature control accuracy: ±1°C
  
• Humidity control accuracy: ±5% RH
  
• Relay output: 2 × independent relay channels
  
• Relay rating: 10A @ 250V AC / 30V DC
  
• Sensor type: External temperature & humidity sensor (probe type)
  
• Control mode: Heating / Cooling and Humidification / Dehumidification
  
• Mounting type: PCB mount with screw terminals

Features:

• Simultaneous temperature and humidity control
  
• Dual relay outputs for independent load control
  
• Bright LED display for real-time readings
  
• Adjustable upper and lower threshold settings
  
• Supports heating, cooling, humidifying, and dehumidifying modes
  
• External sensor for accurate environmental monitoring
  
• Simple push-button configuration
  
• Stable performance with reliable relay switching

Applications:

• Greenhouse climate control
  
• Incubators and hatchery systems
  
• Cold storage and refrigeration units
  
• Humidity-controlled cabinets
  
• Home automation and smart farming
  
• Industrial environment monitoring
  
• HVAC and ventilation control systems