Standard compliance: GB/T13850-1998, IEC688:1992, DL/T721-2000, IEC61000-4
Maximum display: 9999
Resolution:
Voltage: 0.1V
Current: 0.001A
Input range:
Voltage: AC 0 to 600V
Current: AC 0 to 6A
Accuracy: class 0.5
Absorbed power:
Voltage loop: less than 0.6V AC
Current loop: less than 0.1V AC
Overload capacity:
Voltage: 2 times of normal value input, continuous
Current: 2 times of normal value input, continuous/10 times, 10s
Measuring speed: about 1.5 times/s
Frequency: 40 to 60Hz
Power supply: AC 220V  20 to 50/60Hz, ≤ 1.5V AC or DC 85 to 265V
Working frequency withstand voltage:
Between power supply/input/output: ≤ AC 2kV/min x 1mA
Insulation resistance: ≥ 100M Ohms