power consumption

This typetest is also called burden measurement. Applicable standards IEC62053-21, IEC62053-22

The active and apparent power consumption in each circuit of a meter at reference voltage, reference temperature and reference frequency shall not exceed the values shown below.

Cl. 0.2 SCl. 0.5 SCl. 1Cl. 2
Voltage circuits2 W, 10 VA2 W, 10 VA2 W, 10 VA2 W, 10 VA
Current circuits1 VA1 VA4.0 VA2.5 VA