HK Instruments is a dynamic and accomplished Finnish manufacturer of pressure measuring devices. Our products are primarily used in air conditioning units, building automation clean room applications. We also official exporter Pressovac air-duct ...

Company was established 1965 by Mauno Kari, who invented the Multilevel Float Switch, that has since then been our main product which we have manufactured hundreds of thousands pieces. Kari Switch presented 1977 at International Inventors Fair in Brussels, ...