How to check whether the electric meter is accurate

To check whether the meter is accurate, you can use the following methods:

1. Observe the flashing of the indicator light: Cut off the main switch in the household distribution box or unplug all electrical appliances in the home, confirm that no equipment is using electricity, and then observe the flashing of the indicator light on the meter panel. Generally, if it does not flash or flashes only once within 10 minutes, the meter is operating normally. If it flashes multiple times, it means that the meter is abnormal.

2. Use electrical appliances with known power for comparison: Turn off all the devices in the home and record the values ​​on the meter at this time. Then turn on an appliance with relatively stable power for a period of time and then turn it off, record the value displayed by the meter at this time, and subtract the two values ​​to get the power consumption of the device just turned on. Calculate the power consumed by the device according to the power marked on the nameplate of the device, and compare it with the power recorded by the meter to determine whether the meter is normal.

3. Record the meter value calculation and judgment: Record the total power, peak power and valley power values ​​displayed by the meter at the same time. If the value after adding the peak power and valley power is equal to the total power, it means that the meter is measuring normally, otherwise it is abnormal.

4. Ask a professional electrician to check: If you are not sure about the above methods, or you are a novice in electrical appliances, we recommend that you ask an electrician to check it. Professional electricians can use professional equipment and technology to check whether the meter is normal and repair the meter with problems.

It should be noted that if there is a large error in the meter, it is recommended to contact a professional electrician for inspection and repair in time to ensure the accuracy and normal use of the meter.