Hi, I have a Home Energy monitor (HEM2) and have the clamp in the main live into my meter box to try and understand what the house is drawing power wise. I seem to be getting two power readings that are different with both changing over time but none seem fully accurate. One power reading seems accurate some times and the other power reading seems more accurate at other times if I look at what is running in the house at the time.   I have only one clamp but the inclusion crea