Sentek Ltd | Leading UK Suppliers of Electrodes & Probes

We adhere to high quality control in compliance with international standards

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About Us

Manufacturing pH, ISE, reference, and conductivity electrodes since 1991

Sentek specialises in the bespoke engineering of electrochemical sensors, specifically designed to be used in water-based applications. Particularly in the production of pH and conductivity sensors.

We also believe in accuracy during the manufacturing process. Unlike other firms, our trained glassblowers are capable of ensuring levels of quality that rise head and shoulders above the competition.

When accuracy counts, look no further than Sentek.


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Useful Information

How to unbox, calibrate, and
care for your electrode

Find answers to your questions, learn more about your sensors, and maybe even discover a few hints and tips with our How to Videos.

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Need some help?

Speak to one of our
specialist technicians
for expert advice


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Reasons to work with us

Technical Performance

Our intensive R&D efforts make sure that we can keep our customers served with a state of the art sensor.

Commercial Stability

Sentek endeavours to deliver on time and provide a stable pricing platform so that customers can plan with confidence.


Our customer service and technical back up, ensure that our customers feel secure in the knowledge that Sentek will always provide first class after sales support.

Project Planning

Sentek routinely works with customers to ensure that new requirements are properly specified and we take an active interest in the early stages of projects to make sure of success.

Quality & Expertise

Sentek has been providing bespoke and innovative electrochemical solutions since 1991. This level of industry expertise enables us to provide our growing number of customers with a bespoke level of continuous quality improvement.

Customer Satisfaction

We continually strive to meet the diverse requests of our customers. The safety of our customers is a priority when using our products and as such we provide continual education and support free of charge.


A truly global company

Delivering specialist sensors, globally

Established in 1991, Sentek Ltd is a well-known producer of electrochemical sensors. These devices can be used in anything from industrial to laboratory settings.

We leverage our expertise to provide our clients with electrode solutions across the globe, and offer free technical support for our customers both in the UK and abroad.

For delivery outside the UK while browsing online, add items to your Enquiry Basket.

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