... 2) I max in direct connection: 20A3) Connection with current clamps: standard 100A; 200A, 500A and 2,000A ... : 0,15%, worst case: 0,3%. 6) Accuracy with current clamps: a) Active energy: typical: 0.2%, ... has a 240x128 LCD screen with lighted background. It incorporates a 19-key keyboard with which it is very easy ... vi) It has a RS232 interface to communicate with a PC. The data outputs are of three ...