Sentek Limited is a UK-based company that specializes in the design, manufacture, and supply of electrochemical sensors, including electrodes, probes, and accessories. The company offers a wide range of products, including pH, conductivity, ion selective, reference, and dissolved oxygen electrodes, as well as custom and OEM solutions. Sentek's products are used in various industries, such as laboratory, food and beverage, education, biotechnology, water and wastewater treatment, and industrial applications. The company prides itself on its technical performance, commercial stability, and customer support, and is committed to providing high-quality products and services to its customers. Sentek also offers a range of resources, including how-to guides, application notes, and FAQs, to help customers get the most out of their products.

Sentek manufactures electrochemical sensors for water-based analytical measurement, supplying OEM partners, distributors, and end users across industrial, environmental, laboratory, and biopharmaceutical sectors.

We provide both standard and custom-engineered sensors, including pH, conductivity, ion selective (ISE), ORP, reference, and dissolved oxygen (DO) technologies. Our technical expertise supports customers in selecting the most suitable sensor solutions for their specific applications and integration requirements.

With UK-based manufacturing, including in-house glass blowing, precision machining, and assembly, Sentek maintains full control of production - ensuring consistent quality, repeatable performance, and dependable operation across a wide range of applications and environments.

ISO 9001:2015

Products:
pH Electrodes
Reference Electrodes
ORP Electrodes
Conductivity Electrodes
Ion Selective Electrodes
Accessories & Consumables
OEM and Custom Sensors

Applications:
Laboratory
Food & Beverage
Education
Biotechnology
Water and Wastewater Treatment
Field
Environment
Swimming Pools
Electroplating and Metal Finishing
Industrial
Paint, Inks and Dyes
Cosmetics
Bio Fuels
Agricultural
Single-Use and Biopharma

1991