Sonel Instruments

SONEL was established in June 1994. The company's founders were electrical engineers - people with a good knowledge of the market needs for specialized test equipment. In 1998 company's name and its legal status had changed and as a result SONEL S.A. was established.  

Hioki

Hioki has pursued unique technologies over its history so that it can provide new value to customers through high-quality products.
For about 40 years after our founding in 1935, our business centered on volume production of meters and testers. Starting in 1974, we modernized our management and pursued an aggressive R&D program that yielded today’s four product groups.