Order online for delivery to the United Kingdom. For delivery outside the UK, add items to the Enquiry Basket.
Shop products on free, fast delivery. Shipped within 2 to 3 working days to the UK.
Custom Electrochemical Sensors
Sentek manufactures bespoke high-quality custom electrodes engineered for optimum performance.
OEM Electrochemical Sensors
Sentek produce OEM electrodes with custom branding and a wide range of technical options.
How it Works
Creating your own custom or OEM electrochemical sensors with Sentek is straightforward and hassle-free.
Solutions
From standard ISE calibrating solutions to KCl based solutions, learn more about solutions from Sentek.
Capsules
Our high-quality buffer capsules enable quick and accurate preparation of pH4, pH7, pH9, and pH10 buffer solutions.
Electrode Accessories
Accessories to protect and store your pH, conductivity, ISE, and reference electrodes safely and hygienically.
Connectors
From BNC connectors to Jack connectors, we supply virtually any connector a range of electrode types.
Cables
No matter the type of connection of your electrodes, we’ve got products to suit your needs.
Caps
For unparalleled convenience and compatibility with almost any meter, look no further than our S7 range caps.
Latest News
Ion Selective Electrode Application Methods: Determination of Nitrate in Plant Tissue
Ion Selective Electrode Application Methods: Determination of Sodium in Food
Sentek Ltd Proudly Sponsors Great Bradfords Under 9 Emeralds Football Team
Ion Selective Electrode Application Methods: Determination of Sulphide in Water
Safety Data Sheets
Giving you important health and safety information for the chemical products that we sell.
ISE Manuals
Find ISE theory, how to use an ISE and troubleshooting help in our operating instruction manuals.
Application Notes
Request information on how to use electrodes in a particular application and best practice notes.
How to Videos
Want to learn how to get the most out of your electrodes? Our how-to videos and guides below will help you to maximise your utility with Sentek electrodes in your industry.
How to Guides
Download our handy “How to” guides here, with help on how to select, care and maintain your Sentek electrode, and how to deal with probes returned by customers.
Application Chart
Find the perfect probe for measuring pH whatever the application, with our handy Application Chart.
pH Theory
Learn the basics in pH measurement and how a pH electrode works in our free support guide, pH Theory.
FAQs
How do I calibrate my electrode? How do I store my electrode? Find answers to your Frequently Asked Questions here.
Basket
| Subtotal | £448.00 |
|---|---|
| Shipping |
Shipping options will be updated during checkout. |
| VAT | £89.60 |
| Total | £537.60 |
Subscribe to our mailing list.
Sign up to our newsletter to receive our latest insights and offers delivered straight to your mailbox.
Customer Service
Email us
Visit us
About Us
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.
Navigation
Our Specialist Group
Proudly part of the SDI Group.
Copyright 2025 Sentek Limited. All Rights Reserved.
Marketing by Unity Online