WHD20R-22 Digital Temperature & Humidity Controller
Product Quick Detail
- Minimum Order
- 1
- Packaging
- N/A
- Delivery
- 15 Days
Specifications
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.
- Country: China (Mainland)
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- Contact:acrele nergy
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