Meet the Fluke FLK-3000: a wireless multimeter that combines with your iOS or Android device to let you capture and share live measurements. You will also monitor readings from a safe distance. The device gives you true-RMS voltage and current, capacitance, resistance, continuity, and diode measurements. Its digital display shows up to 3 measurements from remote modules.
You will be able to use the Fluke Connect wireless USB adapter to collect recorded data over a period of time. More info is available here.