KYORITSU 5020 3 Channel True RMS Logger

Product Features
3 Channel inputs for the simultaneous recording of leakage current, load current and voltage
Large capacity for storing 60,000 data points
Low pass filter will filter out the harmonics
LED flickers when the preset current/voltage value is exceeded
Selection of one-time mode or endless mode

TRUE RMS         
Normal Recording Mode
(AC 50/60Hz, Sine wave, Input: 10% or more of the range at CH1)     
Range    RMS Accuracy
100.0mA    |±2.0%rdg±0.9%f.s.+ Accuracy of Sensor
Other ranges    |±1.5%rdg±0.7%f.s.+ Accuracy of Sensor
Crest Factor    |2.5 or less: RMS accuracy (sine) + 2%rdg + 1%f.s.
*Max, Min and Instant Peak values in Normal Recording mode are just reference values:
their accuracies aren't guaranteed. 

Trigger Recording Mode (AC 50/60Hz sine wave)
Range    Accuracy
100.0mA    |±3.5%rdg±2.2%f.s.+ Accuracy of Sensor
Other ranges    |±3.0%rdg±2.0%f.s.+ Accuracy of Sensor

Capture/Power Quality Analysis Recording Mode
Range    Accuracy
100.0mA    |±3.0%rdg±1.7%f.s.+ Accuracy of Sensor
Other ranges    |±2.5%rdg±1.5%f.s.+ Accuracy of Sensor