Precautions For Installation Of Single Phase Energy Meter


Posted March 11, 2021 by morganyhddb

Now almost every household needs electricity, so the electric meter must be an indispensable thing for us.
 
Now almost every household needs electricity, so the electric meter must be an indispensable thing for us. single phase energy meter plays a very important role in our lives. Let's take a look at the precautions for the installation and use of the electricity meter.
1. The wiring of the watt-hour meter is complicated. Before wiring, the voltage terminal and current terminal of the watt-hour meter must be distinguished and then connected according to the technical manual. For the three-phase watt-hour meter, you must also pay attention to the phase sequence of the circuit. 2. The accuracy of the watt-hour meter can only be guaranteed when it works under the conditions of rated voltage, rated current 20%-120%, and rated frequency 50Hz. 3. The watt-hour meter should not work under the conditions of less than 5% of the specified current and greater than 150% of the rated current. 4. The watt-hour meter that has not been used for more than half a year should be recalibrated. 5. When the watt-hour meter is installed, it should be at least 0.5 meters away from the thermal system, 0.7-2.0 meters away from the ground, and vertical installation is required, and the allowable deviation should not exceed 2.
The above are the precautions for the installation and use of the watt-hour meter. This precaution is also applicable to the mechanical kWh meter and other watt-hour meters. yhddb.com
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Last Updated March 11, 2021