... watt-hour meter 2.8 digit LCD display 3.Measure bidirectional energy 4.Infrared/RS485 5.DL/T645-97 ... 30ºC--80ºC) LCD display ; 2. 8 digit LCD display, 6 integer and 2decimal; 3. Display the data of current date ... peak load, day hour, low load energy, etc. LCD display recycled. After energy meter connect electricity, date, time, ... 5(6),3(6), 5(20), 10(40), 15(60), 20(80), 30(100),etc.Rated Frequency50Hz ...