Hioki PW6001-04 Power Analyzer:

Accurately measures power consumption and efficiency of electrical devices.
Wide measurement range (0.1 mW to 600 kW) and high accuracy (0.1% basic accuracy).
Harmonic analysis up to the 50th order for detailed power quality assessment.
Transient capture function to capture and analyze sudden power fluctuations.
* Compact and portable design for easy field measurements.