Extech Instruments announces its MA640 600A True RMS AC/DC Clamp Meters + NCV that has a higher accuracy rating then standard RMS meters. To use a clamp meter, only one conductor is normally passed ...
A long time ago in a galaxy far, far away… I did a lot of work on the measurement of domestic electrical energy. I learned two key lessons from the whole project. Firstly, that the metrology of ...