Fluke 289 True RMS Industrial Data Logging Multimeter with TrendCapture
 
Adjustable recording and auto hold thresholds, specify a percentage change in the readings that begins a new event
Real time clock for automatic time stamping of saved readingsTrue-rms ac voltage and current for accurate measurements on non linear signals
Measure up to 10 A (20 A for 30 seconds)
100 mF capacitance range
Peak capture to record transients as fast as 250 µs