March 15th, 2022

August 9th, 2021

August 2nd, 2021

March 1st, 2021

August 28th, 2020

August 27th, 2020

August 19th, 2020

Ring Wave Immunity Test

ring waveform IEC 61000 4 12

The IEC 62052-11 Ed.2 comes with a lot of changes for meter type testing. Another new introduced test for electromagnetic compatibility (EMC) is the ring wave immunity test.

August 12th, 2020

August 10th, 2020

August 10th, 2020

The Critical Change Value

Aristo Trilog slide rule

The critical change value indicates the maximum amount of change allowed in the meter’s energy registers during disturbance tests without any current flowing in the meter’s current circuits.

Clou Symbol55