WHD20R-22 Digital Temperature & Humidity Controller
0397
Give your opinion
Read all reviews
Add to notepad
Print
  • 2.2/5
  • 1
  • 2
  • 3
  • 4
  • 5
Details
China Craft

Report abuse

Craft

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.

Location : No. 253 Yu Lv Road, Jiading District, Shanghai China, 201801 Jiading District,
Contact : rel Ac, 86 21 69156352

Acrel

  • 3.1/5
Retail
Registered since 07 March 2022

Website : www.acrelenergy.com/

Send email to Acrel

Acrel

Good deal: buying from seller

Visit our guide for a secure transaction! Under no circumstances Algomtl can be held responsible for the content of the ads published. Only the sellers and buyers responsability is involved in case of dispute.
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 :
humidity, controller, digital, whd20r, temperature
  • 3.5/5
  • 1
  • 2
  • 3
  • 4
  • 5
France 529000 Equipment goods

Report abuse

2-Wire Standard Multi RYGB LED Rope Light
2-Wire Standard Multi RYGB LED Rope Light

Saturday, July 19, 2014

Our Multi-Color LED Rope Light consist of red, green, blue and yellow LED lights, joining together to form a colorful and breathtaking rope light. Our manufacturer utilizes sophisticated electro-optical designs to control the blend and diffusion of the light. This technology allows...

Real Green lighting Company

  • Bonny Chan
  • 529000 - Jiangmen City
  • +15 6 02 20 39 93
  • 3.2/5
  • 1
  • 2
  • 3
  • 4
  • 5
Hong Kong 532500 Equipment goods

Report abuse

Weighing Scales for body fat and water
Weighing Scales for body fat and water

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
  • 2.5/5
  • 1
  • 2
  • 3
  • 4
  • 5
Morocco 46000 Cosmetics and beauty

Report abuse

Cosmetic organ oil pure 100%
Cosmetic organ oil pure 100%

Wednesday, September 03, 2014

Quantity : 10

Argan oil, this precious oil, rich in essential fatty acids and vitamin E. it's an organic produce, 100% pure, this unique oil is multifunctional by excellence, it can be used for the face, body and hair. It moisturizes, revitalizes and softens the skin and protects dry skin from dehydration...

Zinnialife

  • 46000 - SAFI
  • 212661388349