Millivoltti Oy offers installation and commissioning, maintenance, testing and commissioning, as well as calibration services for various process automation measuring instruments. We have been operating since 2008 and have performed commissioning and installation supervision for various clients in Finland and abroad, including India, Chile, Saudi Arabia, China, Singapore, and Argentina.


Equipment includes, among others, various pressure transmitters, pressure switches, level switches, level and temperature measuring instruments/transmitters, residual oxygen measuring instruments, flue gas measuring systems, as well as various water analysis measuring instruments (including conductivity, pH, dissolved oxygen, silicate, sodium).
We would love to hear about your project, get in touch and let's talk more.

We perform installations and commissioning of process automation measuring instruments. The service also includes installation supervision in Finland and abroad.

We maintain, test, and commission various industrial measuring instruments. The service ensures the functionality of the equipment.

We carry out calibrations of process automation measuring instruments. The work is performed with solid experience in industrial sites.

Our clients have included, among others, Nevel Oy, Neova Oy, Adven Oy, Linde Group, Air Liquide, Terrafame, Borealis Polymers Oy, Valmet Oyj, Alholmens Kraft, Stora Enso, as well as private and municipal heating and power plants.
We have worked in cooperation and as subcontractors in installation, commissioning, testing, and commissioning work with various companies, including ABB Oy, Insta Automation Oy, Bilfinger, Caverion, Siemens Osakeyhtiö, PCS-Engineering Oy, Primetals Technologies Finland Oy, and Outotec/Metso Outotec/Metso Oyj.
