WHD
Customized
ISO9001, CE
Acrel
LED
1 ~ 3 Channels
1 ~ 3 Channels
RS485, Modbus-RTU
DC4-20mA
Acrel
Carton
WHD
China
9032100000
Product Description
WHD series smart temperature and humidity controller is suitable for adjustment and control of temperature and humidity in the equipment 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.
☆ Medium and High Voltage Switchgear
☆ Distribution Cabinet
☆ Box Transformer Substation
☆ Terminal Box
☆ Distribution Cabinet
☆ Box Transformer Substation
☆ Terminal Box
| Technical Parameter | WHD48 | WHD72 | WHD46 | WHD20R | |
| Temperature and Humidity Channels | 1 | 1, 2 | 1, 2, 3 | 1, 2 | |
Measuring range | Temperature | -40ºC~99.9ºC | |||
| Humidity | 20%RH--90%RH | ||||
Accuracy | Temperature | ±1ºC | |||
| Humidity | ±5%RH | ||||
Set range of controlling parameters | Heating for temperature rising | -40ºC~40ºC | |||
| Blowing for temperature decreasing | 0ºC~99.9ºC | ||||
| Humidity | 20%RH~90%RH | ||||
Optional function | Communication | RS485 Modbus-RTU | |||
| Analog output | No | DC4-20mA | No | ||
| Alarm | No | 1 alarm output | |||
| Auxiliary power supply | AC85~265V, DC100~350V | ||||
| Insulation resistance | ≥100MΩ | ||||
 |  |
| WHD48-11 | WHD72-11, WHD72-22 |
 |  |
| WHD46-11, WHD46-22, WHD46-33 | WHD20R-11, WHD20R-22 |
Acrel Co., Ltd.[stock code: 300286.SZ] is a high-tech enterprise that integrates R&D, production, sales, and service, and since its establishment, is committed to providing users with energy efficiency management and powerful security system solutions. Acrel Electric has a complete production line from cloud platform software to sensors.
Acrel energy efficiency management system including substation operations and maintenance cloud platform, electricity safety management cloud platform, Environmental equipment power consumption monitoring cloud platform, prepaid management (system) cloud platform, intelligent power distribution monitoring system, power quality management system, building energy consumption management system, industrial energy control platform, leakage power monitor and control system, fire-fighting device power monitoring system, fire-proof door monitoring system, emergency lighting and evacuation indicating system, EV charger management system, data center power&environment monitoring system, smart lighting control system, IT isolation power supply system and related products.
The company attaches great importance to product quality and innovation. By the end of 2018, the company has 5 trademarks, 18 invention patents, 72 utility model patents, 94 appearance patents, and 147 computer software Copyrights, and has participated in the formulation of national or industrial standards.
