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 |
0.0℃~99.9℃ |
|
|
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 meter for sale, if you are interested, please leave us a message.
Contact : rel Ac, 86 21 69156352
Good deal: buying from seller
We invite you to read our terms of use. You can also visit our FAQ section and see our information section on the risks associated with counterfeiting.
|
This page is about importers and exporters of WHD20R-22 Digital Temperature & Humidity Controller Search in a category : Craft Search in a category : controller, humidity, whd20r, temperature, digital |
Tuesday, March 03, 2026
Quantity : 50
Tabletop Tablet / Capsule Counting Machine TC-100 is design for accurate counting and bottle filling of all kinds of tablets and capsules. FEATURES: - PLC control system. Easy operation by Touch screen - Highly accurate Counting Speed - Flap Nozzle for Non-Stop counting - Dust...
Autopack Co.,Ltd
- autopacker
- 33454 - Taoyuan City
- +88 6 33 68 98 06
Sunday, April 19, 2015
Quantity : 1
* Brushless DC motor with the suitable drivers Compact size : from 22mm diameter, 60`128mm SQ Wide range : from 5W to 2,000W at DC,AC power Small q'ty is acceptable Cheap price Customized design is OK. Made in Korea.. Strict quality control Possible to control event position ...
alf motion control
- alfmotioncontrol
- 406840 - incheon
- 821075110093
Friday, December 05, 2014
2x D2R 6000K 35W Headlight Lampe Autolampe Birne Xenon Brenner Leuchte Xenon-Lampen sind dem Tageslicht ähnlicher und beleuchten Ihren Weg effektiver Helleres Licht bedeutet bessere Sichtbarkeit speziell bei Nacht und schlechtem Wetter D2R Brenner besitzen eine Abschirmung auf dem...
Euro-Sino
- - Thun




