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.
Отправить запрос, связаться с поставщиком
Другие товары поставщика
 |
ADL200 | Single phase bidirectional electrical din rail energy meter220V output RS485 Modbus.The ADL200single phase energy meter with rs485adapts to wide vo... |
 |
Temperature & Humidity Controller | The WHD seriestemperature and humidity controller with sensoruses sensors to detect the temperature and humidity values in the cabinet and adjusts ... |
 |
ADL100-ET | Single Phase Din rail power meter wifi KWH Watt Hour LCD 10(60)A 230V. Technical Parameters of ADL100-ET Din Power Meter Input voltage ... |
 |
ADW300 | Acrel ADW300wireless smart energy meter can be used for different applications. Acrel ADW300 is three phase energymeterwith RS485/Lora/GPRS/4G/WF. ... |
 |
AMC48L-AV | AMC series single phase voltmeter measure voltage, and the panel mount ac voltmeter support RS-485 Modbus protocol and analog output. The digital a... |
Похожие товары
 |
Wireless Temperature Measurement | Продавец: Acrel Co.,Ltd. | ARTM-Pn wireless temperature measurement device: ARTM-Pn wireless temperature measurement device ... |
|
|
WHD20R-22 Digital Temperature & Humidity Controller | Продавец: Acrel Co.,Ltd. | The controller for temperature and humidity is suitable for adjustment and control of temperature... |
 |
Temperature & Humidity Controller | Продавец: Acrel Co.,Ltd. | Digital Temperature and Humidity Controller for Sale The WHD series temperature and humidity con... |
 |
Prepayment Energy Meter | Продавец: Acrel Co.,Ltd. | The electronic prepaid electric energy meter adopts a guide rail installation structure and has t... |
 |
Multi-function Energy Meter | Продавец: Acrel Co.,Ltd. | Multi function meter refers to the watt-hour meter which has more than two functions, such as tim... |
