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, digital, temperature |
532500 Everything else / BulkReport abuse
Wednesday, June 04, 2014
.Capacity: 40kg .Graduation: 100g .Minimum Capacity: 1Kg .High precision strain gauge technology .Size: 100x36x25mm .Power: 1x3V CR2032 lithium battery(included) .N.W. (kg): 0.053KGS .G.W. (kg): 0.071KGS .Qty/20”: 101724PCS .Qty/40”: 210063PCS Location : Kinglong Square,Kinglong Center...
Jerray Electric Appliance Co.,Limited
- 532500 - Kinglong square
- +85 2 23 69 69 00
334 Equipment goodsReport abuse
Thursday, November 14, 2024
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
532500 Equipment goodsReport abuse
Wednesday, June 04, 2014
.Capacity: 3kg-150kg(3301b) .Graduation: 0.1kg/0.21b .High precision strain gauge technology .With tempered safety glass platform ·Button function .Low battery and over load indication .10 measured value memories for 10 users .Measure body fat%/water% by BMI principle .‘'Body fat...
Jerray Electric Appliance Co.,Limited
- 532500 - Kinglong square
- +85 2 23 69 69 00
