Hioki MR8903:

High-accuracy power analyzer with 0.1% basic accuracy
Wide measurement range from 100 μW to 10 MW
Simultaneous measurement of voltage, current, power, and power factor
Harmonic analysis up to the 50th order
Transient recording function with a sampling rate of 10 MS/s
Built-in data logger with a capacity of 1 GB
* Remote control via USB, Ethernet, or GP-IB