AEMC PEL 100 series power meters (PEL 102 and PEL 103) do everything you would expect out of a high quality meter in this price range with a few super cool features that place them above the competition in certain areas. First off, these loggers will take readings on single, dual, and 3 phase circuits in VA, W, and var for power and VAh, Wh and varh for energy and are designed for use in 1000V Cat III and 600V CAT IV environments.