DC Communication Box, DC Current Voltage Power Energy Frequency Power Factor Communication Module Meter with RS485 USB Interface, High Precision Ammeter Voltmeter Multimeter(50A)

DC Communication Box, DC Current Voltage Power Energy Frequency Power Factor Communication Module Meter with RS485 USB Interface, High Precision Ammeter Voltmeter Multimeter(50A)

UART to RS485 Voltmeter Ammeter Voltage Current Power Factor Frequency Energy Tester Multi Function Meter(Split CT(100A)+USB to 485 Module PZEM-016)