Since the 1940's Amprobe Test Tools has been striving to expand its product line from the initial patented product, the Clamp-on Ammeter, to over 250 items already. Nowadays, customers preceive Amprobe is equal to clamp-on meters. Amprobe provides a large variety of test equipment for professional participants in the maintenance, construction, electrical and HVAC markets and earned a great reputation among customers. Amprobe has driven its true leadership in quality examination equipments and now specializes in Power Quality equipment, providing a wide range of accomplished equipment for recoding of PQ variables like energy, sags, surges, spikes and harmonics as well as field measuring.