Skip to content


HIOKI is a manufacturer of electrical measuring instruments that was founded in 1935. It mainly manufactures instruments in four categories that are data recording equipment, electronic measuring instruments, field measuring instruments, and automatic test equipment. HIOKI instruments are designed, developed, and manufactured in Japan, and its advanced test and measurement equipment offers world-class quality and reliability in the areas of Field Testing, Maintenance, and Power Analysis. Rigorous impact tests are done in the continuous pursuit of quality. Instruments are also designed to comply with International Safety Standards such as EN61010, 61326, 61557, etc. Collectively, HIOKI instruments are used in an extensive range of industries and fields like power utilities, factories, and infrastructures, from research and development to facility and equipment maintenance and service.