Input System: Single-phase 2-wire to 3-phase 4-wire
Measurement Functions: Voltage, Current, Frequency, Active power, Reactive power, Power factor, Active electric energy, Regenerative electric energy, Reactive electric energy, Demand, Harmonics, Voltage fluctuation, Waveform.
Features: Easy-to-view LCD screen, Wiring error check function, 4-load system.

Input System: Single-phase 2-wire to 3-phase 3-wire (CW120), 3-phase 4-wire (CW121)
Measurement Functions: Voltage, Current, Frequency, Active power, Reactive power, Power factor, Active electric energy, Regenerative electric energy
Features: Large capacity of memory (ATA flash memory card), Wiring error check function, 2 or 3-load system, Support variety of network communication protocols

Operating System: Windows 2000 Professional/XP HomeEdition /XP　Proffesional Edition
Features: Graph display,Graph analysis display graphs/Forms, Report display.