The HM series smart power management instrument is developed and produced by Haier Electric in accordance with national standards such as GB/T 22264.1-2008 "Installed digital display electrical measuring instruments - Part 1: General requirements for definition", GB/T 21705-2008 "Low voltage electrical quantity monitor", GB/T 17215.301-2007 "Special requirements for multifunctional electrical energy meters", GB/T 17215.321-2021 "Special requirements for electrical measuring equipment (AC) - Part 21: Static active energy meters (Class A, B, C, D, and E)". It is designed for high-precision, high reliability single-phase or three-phase power monitoring and internal measurement assessment in power systems, industrial and mining enterprises, public facilities, and intelligent buildings. High cost-effectiveness.
This series of products can measure conventional power parameters in three-phase lines online, including highly automated smart communication instruments, three-phase current, voltage, active power, reactive power, power quality, and four quadrant power. Various electrical parameters measured by a standard power pulse port can be remotely transmitted through its own configured RS485 communication port or Lora wireless module; In order to meet the special needs of customers, this series of instruments can also be equipped with various expansion modules (such as switch module, residual current module, second communication module, temperature detection module, multiple rate module, alarm module, etc.).