... , ideal for on site testing. It is a three phase portable standard meter used to verify ... 5V to 5.75V 5) Accuracy in direct connection: a) Active energy: typical: 0,1%, worst case: ... worst case: 0,3%. 6) Accuracy with current clamps: a) Active energy: typical: 0.2%, worst case: 0 ... easy to access the following main functions a) Measuring mode: gives information about the parameters of the line under test ...