Model Number

DDSF580

Technical parameters:
1) International standard: IEC61036, IEC62052-11, IEC62053-21
2) Accuracy: Class 1.0, Class 2.0
3) Rated voltage: 110V, 120V, 220V, 230V, 240V
4) Rated current: 1.5(6)A, 5(20)A, 5(30)A, 10(40)A, 10(60)A, 20(80)A
5) Rated Frequency: 50Hz, 60Hz
6) Power loss:
a) Voltage loop: <1W
b) Current loop: <0.3VA
7) Deviation of RTC: ≤0.5s/D (23+/-3 degree)
8) Life span for backup lithium battery: >10 years; continuous operating time: >3 years
9) Pulse output optical couple:
a) External voltage: 5-24VDC
b) Load current: 10-20mA
c) Width of pulse: ≥80mS

Functions:
1) Energy measuring: measures active total, peak, shoulder, trough and reactive total energy for current and last month
2) Measures and displays real-time active power, and can be read out
3) Has function of overload slip brake. Load value can be set. It will be power on automatically 5 minutes after power off
4) Built-in relay and MODEM: can realize local or distance remote power on and power off
5) Records the time of power on and power off for last time
6) Has carrier wave port to realize functions of remote meter reading, meter setting, closing and opening relay to be power on and power off remotely
7) Has infrared port to realize functions of local meter reading and setting
8) Realizes tamper proof functions by methods of reversing, crossing wire and connecting one fire wire with one earth wire, and records the starting and ending time for last 3 times
9) Records and alarms when case and terminal box is opened, and records the time of opening and closing case and terminal box for last 3 times
10) LCD display has functions of automatic circle display, and the display contents, display time and stopping time for each data can be set