The Fluke 435-II Power Quality & Energy Analyzer is a reliable test tool that features an energy loss calculator that measures fiscal costs of energy wasted. It features a unified power function, power wave data capture and power inverter efficiency measurement capabilities. Meets the CAT IV 600V & CAT III 1000V safety ratings. This power quality analyzer is Class-A compliant with a voltage accuracy of 0.1% of Vnom. Contained in a soft case, the Fluke 435-II includes an 8GB SD card, test leads, current probes, a power adapter set & USB cable.