Specification :

Function: measuring power in the single-phase alternating current and direct current mains and also to calibrate less accurate instruments.
Nominal voltage: 30, 75, 150, 300, 450, 600V
Nominal current: 0.5, 1A
Accuracy: 0.2
Frequency: from 45 to 1000 Hz
LBH: 205E290E135mm
Weight: 4.3 kg