DSM13 Electronic Single-phase Multi-tariff Power M

DSM13 Electronic Single-phase Multi-tariff Power MeterSpecifications and Parameters: 1.Rated voltage: 220V 2.Basic current: 1.5 (6)A; 5 (20)A; 5 (30)A; 5 (40) A; 10 (40)A; 20 (80)A 3.Rated frequency: 50Hz 4.Accuracy class: 1.0, 2.0 5.Starting current: 0.4% Ib (class 1), 0.5% Ib (class 2) 6.Anti-creeping logical circuit: Applying 115% rated voltage on voltage return circuit, energy output shouldn't surpass one pulse if no current flows on current circuit. 7.Rate parameters: clock accuracy (day error): ≤ 0.5S (23 celsius degree); battery capacity: ≥1000mAh; memory period after power failure:≥10 years (with a new battery); memory period as replacing battery:≥lh 8.Battery voltage for data back-up: 3.6 VDC 9.Ambient conditions: Standard temperature:-10 celsius degree -+55 celsius degree Ultimate temperature: -20 celsius degree -+70 celsius degree Storage and transportation temperature: -25 celsius degree-+80 celsius degree Relative humidity ≤85% Functions and Features: 1.Bi-directional active energy measurement in TOU. 2.2 time zones, 4 tariffs, 10 time segments. 3.Automatically records: the programming frequency and the latest programming time;real-time power in 1 minte; the last time of reverse. 4.LCD digital display, the decimal digits of electricity amount can be adjusted. 5.HHU(hand held unit) is allowed to finish programming and meter-reading via infrared ray or 485 port; The same effect is also manually available through infrared remote control. 6.Alarm indicator works in case of reverse current or unusual state. 7.Programming prohibited and data reset functions. 8.Automatically switch calendar, time and leap year once set up at the first time. 9.Consumption data can be stored for 12 months. 10.Output 1Hz clock test signal.