Measurement
· 1 up to 4 channels
· Accurate True RMS measurement even by distorted   waveform
· 128 sample per cycle

Voltage measuring models
· Measurement on single, two and three-phase network, 3 or   4 wire
· Direct connection up to 600 (750) VAC-DC
· Measurement and calculation of L-N, L-L and system values

Corrent measuring models
· 1/3/4 channels for single and three-phase systems, with or   without neutral current measurement
· Standard inputs for flexible ROGOWSKI coils without   external integrator
· Programmable current transducer full scale

Memory
·  2 MBytes FLASH type data memory - can be extended up   to 4 Mbytes. Data retention when power supply is down
· Three selectable recording models:
   - fill-in
   - wraparound
   - wraparound with an auto-decreasing recoding rate
· Programmable recording rate between 1 second and 24   hours

Communication
· Optoisolated RS232 communication port
· The serial port is powered directly from PC RS232

Key and Commands
· Two LEDs for data logger status indication
· Easy to use