MORE INFO When the MyWatt WIreless Electricity Monitor SEM3000 series receives the data from a Transmitter, the power figure displayed is the total of all the power flowing through all CT Clamps connected to that transmitter. i.e. if the three CTs are measuring 200W, 300W and 400W, the display will show 900W rather than the individual readings. If you wish to see the individual readings, you will require a separate CRT3000 Transmitter and CT Clamp for each cable you wish to monitor. DETAILS: The internal diameter of the CT Clamp is 10mm. Power rating 30 Amps. Please note that larger(25mm or 13mm) CT Clamps are available - please contact us to order. These are normally for commercial customers. There are very few circumstances in which the average home requires a 25mm CT Clamp.
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