... LED 2.U,I,kWh smart meter 3.RS485, MODBUS RTU protocol Product description: The multifunction smart meter IM72W offers high-performance measurement ... installation in a compact 72×72 mm unit. The meter's easy-to-read LED display lets you view the ... configuration functions selectable by built-in key-padVoltage,current and energy meteringDirect connect voltage inputs,no need for potential transformers(PTs ...