.

WHD20R-22 Digital Temperature & Humidity Controller

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. These products meet the requirements of GB/T 15309-1994.

Technical Parameters of WHD20R-22 Digital Temperature and Humidity Controller

How to Wire a WHD20R-22 Digital Temperature & Humidity Controller

WHD20R-22 Digital Temperature & Humidity Controller Applications

Technical Parameter

Value

Measuring Range

Temperature

-40.0℃~99.9℃

Humidity

0%RH~99%RH

Precision

Temperature

±1℃

Humidity

±5%RH

Transmitting Output

DC 4-20mA or DC 0~20mA

Ser range of controlling parameter

Heating for Temperature rising

-40.0℃~40.0℃

Blowing for temperature decreasing

Humidity control

20%RH~90%RH

Output Contact Capacity

5A/AC250V

Start/stopgap

5

Communication port

RS485,MODBUS(RTU) treaty

Auxiliary Power

Voltage

AC/DC 85-265V

Consumption

Basic power consumption(≤0.8w)+relay power consumption(each channel≤0.7w)

Insulation Resistance

≥100MΩ

Power-frequency withstand voltage

power with shell, touchable metal parts/power with other terminal groups 2kV/1 min(AC.RMS)

Average work time without stoppage

≥50000 hours

The working condition(controller)

Temperature

-20℃~+60℃

Humidity

≤95%RH, without condensation and corrosive gas

Altitude

≤2500m

As a power meter manufacturer, we can provide kinds of dc power meterfor sale, if you are interested, please leave us a message.



在线联系供应商

至: Acrel Co.,Ltd.
Your E-mail:
消息正文:


Send to other suppliers

Other supplier products

DC Power Meter
DC Power Meter DC current meters support bi-directional current measurement making it an exceptional tool for monitoring solar PV inverter and wind turbine power ...
ADL10-E
ADL10-E ADL Series Energy Management din rail electric meter. Acrel strictly controls and manages all aspects related to din rail single phase electronic e...
ARD 2F Intelligent Motor Protection Relay
ARD 2F Intelligent Motor Protection Relay ARD 2F Intelligent Motor Protection Relay Smart Motor Protector ARD2 Series (hereinafter referred to as Protector) utilizes advanced single chip t...
Multi Circuit Energy Meter
Multi Circuit Energy Meter Multi circuit energy meter programmable intelligent meters, adopting AC sampling technology, can directly or indirectly measure electric voltage an...
ACREL ACR10R
ACREL ACR10R 3 phase energy power meter with 3 CTs for the solar storage system. It is suitable for applications such as the power monitoring of grid-connected ...
供应产品

Same products

Wireless Temperature Measurement
Wireless Temperature Measurement 卖方: Acrel Co.,Ltd. ARTM-Pn wireless temperature measurement device: ARTM-Pn wireless temperature measurement device ...
WHD20R-22 Digital Temperature & Humidity Controller
WHD20R-22 Digital Temperature & Humidity Controller 卖方: Acrel Co.,Ltd. The controller for temperature and humidity is suitable for adjustment and control of temperature...
Temperature & Humidity Controller
Temperature & Humidity Controller 卖方: Acrel Co.,Ltd. Digital Temperature and Humidity Controller for Sale The WHD series temperature and humidity con...
Prepayment Energy Meter
Prepayment Energy Meter 卖方: Acrel Co.,Ltd. The electronic prepaid electric energy meter adopts a guide rail installation structure and has t...
Multi-function Energy Meter
Multi-function Energy Meter 卖方: Acrel Co.,Ltd. Multi function meter refers to the watt-hour meter which has more than two functions, such as tim...