Fluke 434-II-Basic Energy and Power Quality Analyzer is the ideal tool for logging energy. The 434-II will uncover poor power quality and the fiscal cost of energy being wasted utilizing the Energy Loss Calculator function. The most energy-wasteful parts of a home are now easily identified with this tool which allows for potential energy saving solutions. Add basic power quality measurements to the package and you've got yourself one powerful troubleshooting tool. Fluke 434-II-Basic Energy and Power Quality Analyzer has a variety of power saving opportunities to be explored. While working with the 7 hour operating battery, every measurement is automatically recorded without any setup required. The basic version does not come with clamps.