AC/DC Voltage MeasurementsAccuracyRange: 600.0 V Resolution: 0.1 V 50 Hz to 400 Hz ± (% of Rdg + Digits): ±(2 % + 3)Input Impedance3 MΩ (nominal), Common mode rejection ratio (1 kΩ unbalanced)> 60 dB at dc, 50 or 60 HzOverload Protection600 V rms or ...