WHD Temperature & Humidity Controller Solution

● Mid/High voltage switchgear
● Distribution cabinet
● Box Transformer Substation
● Terminal box

Main Functions

1) Automatic heating and dehumidification

2) Communication：RS485(Modbus-RTU)

3) Humidity measurement range： 0-99%RH

4) Temperature measurement range： -40℃~99.9℃

5) Working humidity of controller：≤95%RH

6) Working temperaure of controller:-20℃~60℃

7) LED Display

8) Analog output

9) Alarm

Product Selection

Product Name	Product Image	Functions
WHD48 Temperature & Humidity Controller		● 1 Channel RS485(Modbus-RTU) ● LED Display ● Temperature ±1℃ ● Humidity ±5%RH ● Panel mounted
AWHD72 Temperature & Humidity Controller		● 2 Channels RS485(Modbus-RTU) ● LED Display ● Temperature ±1℃ ● Humidity ±5%RH ● Panel mounted
WHD46 Temperature & Humidity Controller		● 3 channels RS485(Modbus-RTU) ● LED Display ● Temperature ±1℃ ● Humidity ±5%RH ● Panel mounted
WHD20R Temperature & Humidity Controller		● 2 channels RS485(Modbus-RTU) ● LED Display ● Temperature ±1℃ ● Humidity ±5%RH ● DIN 35mm
ALW-100W Heater		● Operating Voltage:AC220V AC110V ● Rated Power:50-300W Insulation ● Resistance:≥1000MΩ
AWT100-4GHW Gateway		● Downlink: RS485 ● Uplink:4G, WiFi or Ethernet