... Infrared/RS485 5.DL/T645-97 ApplicationThe meter is used to measure 50Hz or 60Hz active energy consumption from three phase four ... of current date, time/ current total, sharp, peak load, day hour, low load energy, etc. LCD display recycled. After energy meter ... , current total, sharp, peak load, day hour, low load , operating period of time(peak load, day hour, low load) etc. will display recycled, ...