Established in 1941, Sanwa Electric Instrument Co. is based in Tokyo, Japan and serves major markets throughout the world.

As a leading supplier of multimeters in the Japanese, Asian and European markets, Sanwa's expertise includes: digital and analog multimeters, clamp meters, insulation resistance testers, earth testers, optical laser power meters, lux meters, cord testers, software and calibration instruments. Sanwa meters are renowned by electrical professionals worldwide for their accuracy, safety and durability. They are designed, tested and manufactured by Sanwa to rigorous standards at their ISO certified factories in Japan and Taiwan.