ITEM NAME:100A AC Voltage Current Energy Hz Power factor RS485 Modbus Module with CT + USB AC 100A Voltage Current Power Frequency Power factor Energy RS485 Modbus Electronic Energy Module With Split CT&USB Description: AC single phase with RS485 serial port multi-function monitoring box; can measure voltage, current, power, power, frequency, power factor, maximum 100A! It can display six measurement parameters on the computer when communicate through the software; it can also communicate with the buyer's own micro controller (the buyer should program by yourself)! The high accuracy, better compatibility will make it use widely. If you need the supporting specifications and software, please.When the data is ≠¥1000W, it display only integer, such as: 1000W. When the data is ï ¼Å“1000W, it display one decimal, such as: 999.9W. Communication interface: RS485 interface. Resolution: 0.1Hz. Power factor.