For over 30 years, optek has focused on measuring process liquids through their interaction with light in facilities all over the world. Although global, optek remains a family owned company with a team of more than 100 qualified, customer-oriented professionals.

Our confidence is born from experience. With the expertise of more than 30,000 installations worldwide, our value to the customer resides in providing a superior product that pays back. High quality materials withstand the toughest process conditions including aggressive media, high temperature, and high pressure applications. Cleanability is ensured using high quality wetted materials, superior design, as well as sapphire optical windows.


Optek Color Sensors Af26 01

Color Sensors AF26

Monitoring of various color scales 0 – 10 to 0 – 500 APHA Hazen, 30 to -16 Saybolt, 0 – 1 to 0 – 8 ASTM etc.