包装

AC ammeters
Model: SFT-80, SFT-60, SFT-680, SFT-780, SFT-100, SFT-560, SFT-670
Accuracy: Class 1.5
Specification: 0.1A, 0.5A, 1A, 3A, 5A, 7.5A, 10A, 15A, 20A, 25A, 30A, 40A, 50A, 60A
For 10A-10kA, use external current transformer with secondary current 5A connected directly with current from 20A to 60A, the Class is 2.5
Changeable scale: the dial plate with different scale, which is at the same division and internal value, can be changeable

AC voltmeters
Model: SFT-80, SFT-60, SFT-50, SFT-680, SFT-780, SFT-100, SFT-560, SFT-670
Accuracy: Class 1.5
Specification: 30V, 50V, 75V, 100V, 120V, 150V, 250V, 400V, 450V, 500V, 600V
For 450V-450kV, meters can potential transformer with secondary voltage 100V
Heat resistance: case of non-combustible plastic material

DC ammeters
Model: SFT-80, SFT-60, SFT-680, SFT-780, SFT-100, SFT-560, SFT-670
Accuracy: Class 1.5
Specification: 100mA, 1mA, 3mA, 5mA, 10mA, 20mA, 30mA, 50mA, 100mA, 150mA, 200mA, 250mA, 300mA, 500mA, 1A, 3A, 5A, 7.5A, 10A, 20A, 30A, 40A, 60A, for 10A-10kA, use external 75mV, 60mV, 45mV, shunt
The accuracy of the direct reading meter from 20A to 60A is Class 2.5
Changeable scale: the dial plate with different scale, which is at the same division and internal value, be changeable

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