How does dds794 electronic single-phase watt-hour meter reset the number to zero?

The number on the watt-hour meter cannot be reset to zero casually;

There are two ways to zero the counter:

1. Disassemble the meter cover, remove the meter and manually reset it to zero. Improper operation of this method will damage the instrument and stepping motor;

2. Remove the meter cover and replace the meter;

Watt-hour meters are metering products, and the above methods can only be implemented by professionals, manufacturers or power management departments.