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by bonete1
Tue May 14, 2019 12:19 pm
Forum: Electric Meters
Topic: EKM-251DS reading low
Replies: 1
Views: 3508

EKM-251DS reading low

I did install an ekm-251ds for an air conditioner 240V. Also installed in the same hot lines my old OWL meter to compare readings. I found that the ekm read 18% less or lower than the OWL. Any reason for this?