In addition to instantaneous waveform mode, features a recording mode for RMS fluctuations. Number of channels: Analog 2ch + Logic 4ch (Analog channels and main unit are isolated) Measurement range: 10m/50V/div (Full scale 10div) Resolution: 1/100 of range Maximum input voltage: DC voltage 400V Time axis: Memory mode: 100μs/5min/div (20 ranges), RMS time mode: 1ms/1min (16 settings) Memory capacity: Internal: 12-bit × 2M words, External: Up to 2GB (CF card) Power supply: AC 100/240V (50/60Hz) Di