https://www.elecnovapower.com/products/sfere720-three-phase-multi-functional-power-meter/ Introduction The sfere power meter can realize the full power parameter measurement of power load, and its perfect power metering and power quality analysis functions can be applied to all kinds of power monitoring systems. Sfere meter provides multi language display, adopts a large color screen, touch buttons and modular design, which makes functional configuration and operation easier. Feature Overall monitoring of power grid quality High protection level Modular design