WHD20R-22 Smart Temperature and Humidity Controller

WHD20R-22 Smart Temperature and Humidity Controller

Specifications

• Measuring range:
  • Temperature: -40.0°C to +99.9°C
  • Humidity: 20%RH to 90%RH
• Accuracy:
  • Temperature: ±1°C
  • Humidity: ±5%RH
• Analog output: DC 4–20mA or DC 0–20mA
• Set range of controlling parameters:
  • Heating for temperature rising: -40.0°C to +40.0°C
  • Blowing for temperature decreasing: 0.0°C to 99.9°C
  • Humidity control: 20%RH to 90%RH
• Contact capacity: 5A/AC250V
• Communication: RS485 (Modbus-RTU protocol)
• Auxiliary power supply:
  • Working range: AC 85–265V, DC 100–350V
  • Consumption: Basic power consumption (≤0.8W); Relay power consumption (each channel ≤0.7W)
• Insulation resistance: ≥100MΩ
• Service life: ≥50000 hours
• Environment:
  • Temperature: -10.0°C to +55.0°C
  • Humidity: ≤95%RH, without condensation and corrosive gas
  • Altitude: ≤2500 m

Accuracy Temperature ±1℃ Humidity ±5%RH Auxiliary power supply AC 85-265V, DC 100-350V Consumption Auxiliary power supply: Basic power consumption(≤0.8w) Relay power consumption(each channel≤0.7w)

Installation: DIN rail 35mmDimension(L*W*H)： 88*90*52mm

Appearance of WHD20R-22 smart controller

Wiring

Typical connection

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