Answers
Nov 25, 2021 - 09:45 AM
The HEM measures voltage on the phase via the wired connection.
For the most accurate results it should be wired at the consumer unit to ensure that it is reading the voltage as it's presented to the building, rather than some arbitrary point elsewhere. If for example it was plugged into a socket downstream of several high loads then it could potentially be susceptible to voltage drops which would throw out the calculations of the device (current x voltage = power).
For the most accurate results it should be wired at the consumer unit to ensure that it is reading the voltage as it's presented to the building, rather than some arbitrary point elsewhere. If for example it was plugged into a socket downstream of several high loads then it could potentially be susceptible to voltage drops which would throw out the calculations of the device (current x voltage = power).
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