... wide temperature (-30ºC--80ºC) LCD display ; 2. 8 digit LCD display, 6 integer and 2decimal; 3. Display the data of current date, time ... is conform to DL/T645-97.Through RS485, can realize remote read meter operating situation.♦ Output function1. Pulse testing with active ... port (to meet the requirements of Remote pulse output, pulse width 80ms ± 20ms).2. A clock output. In the electricity supply, the ...