Application︰ Type SY1031 single phase static watt-hour meter is a kind of new style single phase electronic watt-hour meter, it adopt a large scale of integrated circuits and SMT techniques, whole screen and anti-jamming structure. The meter completely accord with relevant technical requirements of class 1 and class 2 single phase energy meter stipulated in National standard GB/T17215-2002 and international standard IEC61036. It is used for measuring active energy power loss in frequency 50Hz or 60Hz single phase AC electricity net, and which is installed in meter box indoors or outdoors.

Functions and Features︰ 1. May select 5+1 digits register by step type or 6 digits LED or 7 digits LCD display.
2. The direction of electric power can be distinguished automatically, can measure unidirectional energy power, and has function of anti-stealing electricity.
3. Impulse output when no power, be convenient to collecting read meter.
4. May select many sorts of outlines.

Technical Parameters:︰ Accuracy: Class 1, Class 2
Rated voltage: 220V
Rated current: 2.5(10)A, 5(20)A, 5(30)A, 10(40)A, 10(50)A, 20(80)A, 20(100)A
Starting Current: 0.4%Ib, 0.5%Ib
Insulation Performance: AC voltage 2kV for 1 minute, Impulse voltage 6kV

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