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   16.1.2017.

Voltraft VC840, VC820 - repair and malfunctions.

Voltraft VC840, VC820 - repair and malfunctions.

Voltraft VC840, Voltraft VC820 is a digital multimeter of the German company Voltraft, specializing in measuring devices. The device is made on a specialized microcontroller FS9721LP3, with a high degree of integration. Voltraft VC840 has the technology to determine the real effective value of alternating current, regardless of the shape of its curve - True RMS. The digital indicator allows you to display 4000 signal levels. The choice of the measurement limit is automatic.

Faults Voltraft VC840, Voltraft VC820.

80 percent - microcontroller failure.

20 percent is the failure of the input voltage divider resistors.

Photos of input circuits Voltraft VC840, Voltraft VC820.

Voltraft VC840, VC820 - Printed circuit board.

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   2006 BelAn.
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