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Knowledgebase: EW4002
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Why is my EW4002 display showing '0' watts (or is very low)?
Posted by Mark Mortimer on 19 January 2012 11:13 AM
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| A fairly easy mistake is to place the CT (Sensor jaw) around either more than one cable or a multi-core cable. The CT must be placed around one single mains cable, ideally the 4th from the left as you look at the meter. If you place it around both Live and Neutral, it will have a cancelling effect or possibly a very low reading that doesn't reflect the real figure. | |
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