Acrel Whd20r-22 DIN Rail LED Display Digital Multi-Channel Temperature and Humidity Controller for Cabinets

• Accuracy: Temp: Minus or Plus 1 Centigrade Degree
• Usage: Industrial
• Display: Digital
• Material: Thermocouple
• Product Name: Temperature & Humidity Controller
• Brand: OEM ODM
• Model NO.: WHD20R-22
• Auxiliary Power Supply: AC85-265V/DC 100V~350V
• Installation: DIN Rail Type
• Measuring Temp Range: -40~99 Centigrade Degree
• Measuring Humidity Range: 20%~90&Rh
• Transport Package: Fob Shanghai
• Trademark: ACREL
• Origin: China
• Production Capacity: 1000PCS/Per Month

Product Description

Product Description

WHD20R-22 Din Rail Temperature & Humidity Controller measure and control 2 channel temperature,2 channel humidity

General

The controller for temperature and humidity is suitable for adjustment and control of temperature and humidity in equipments of high voltage switchgear, terminal box, ring network panel, box transformer substation etc. It can effectively protect relevant equipment from faults resulting from excessive low or high temperature, creepage or flashover etc.from humidity or condensation.

Features

1. Optional functions: alarm, communication
2.Temperature and humidity measuring & controlling
3.DIN rail mounted
 

Technical Parameters



Types
 

Product Name	Function Description	Optional Functions
WHD48-11	LED display;  Measure display and control 1 channel temperature and humidity	/C:RS485 communication
WHD72-11	LED display;  Measure display and control 1 channel temperature and humidity	/J: relay alarm output /C:RS485 communication /M: analog output(DC4-20mA) /UT:Utility Tunnel (M & C cannot be select at the same time)
WHD72-22	LED display; Measure display and control 2 channels temperature and humidity
WHD20R-11	LED display; Din rail mount Measure display and control 1 channel temperature and humidity	/J: relay alarm output /C:RS485 communication (C&J can be selected at the same time)
WHD20R-22	LED display;  Measure display and control 2 channels temperature and humidity
WHD46-11	LED display;  Measure display and control 1 channel temperature and humidity	/J: relay alarm output /C:RS485 communication /M: analog output(DC4-20mA) (Choose one from above three)
WHD46-22	LED display;  Measure display and control 2 channels temperature and humidity
WHD46-33	LED display;  Measure display and control 3 channels temperature and humidity

Funciton



Wiring



Typical Connection 



Quotation