DDS-DSM12:  Electronic Single-phase Anti-tamper Kilowatt Hour Meter

Specifications and Parameters:

1.        Rated voltage: 220V

2.        Basic current: 1.5 (6)A; 2.5 (10)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

7.        Ambient conditions:

    Standard temperature:-30℃ - +60℃

    Ultimate temperature: -40℃ - +70℃

  Relative humidity：≤85%

 Functions and Features:

1.        Long-term active energy measurement without any calibration;

2.        Sample the current on neutral line and phase line at the same time to prevent one-fire-one-ground electric larceny root and branch.

3.        Alarm indicator works in ease of electric larceny.

4.        Adopt LSI (large-scale IC) and SMT (surface mounting technology), which means advanced technology and simple structure.

5.        The latest specific chip used for energy measurement, involving digital multiplier inside, remarkably improves dynamic operating range.

6.        Characteristics of long life and high reliability exist in every electronic component.

7.        Excellent linear error ranging between 1% ib and Imax.