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Hanna Instruments is a world leader in pH and titration science helping professionals and hobbyists with their everyday testing needs

Manufactured in our ISO 9001 compliant European production plant for direct delivery from our UK warehouse.
I have just set up a business from home and need to check the temperature and pH of my products. I rang up Hanna Instruments and the lady I spoke to was extremely helpful. I am really impressed and what a lovely company to deal with.
- Susan Thompkins

Annual Service & Calibration

Our UK calibration laboratory provides certification for a wide range of instruments with full UKAS certification for electronic temperature calibration. Book today

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Go Modular with the new HI-6000 pH, ORP, ISE, EC & DO - learn more
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Your partner in science since 1978

As a world leader in pH and titration science, we help professionals and hobbyists with their everyday testing needs in a wide range of industries.  We provide an easy to use, common sense solution to our customers testing needs and back that up with affordable pricing and outstanding after sales support. 

Our philosophy to be as close to our customers as possible has resulted in dedicated sales and technical support offices in over 40 countries. While our desire to be an innovator has produced many world firsts in the world of test instrumentation, and we continue to innovate and bring new solutions to the market in direct response to our customer needs.

You will find Hanna instruments being used in just about every application imaginable.  From home hobbyists, looking after their fish collections, to Artisan food makers and all the way to national and international brands in every industry sector, Hanna is a trusted name with the entire range of over 3000 products all produced within our ISO9001 certified European manufacturing plant.

Best Selling Products

Latest News
    07.13.2025

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    When gardening, irrigation is essential for maintaining plant health and growth. While using a hose or watering can provides better control over watering levels, large amounts of rainwater can gradually affect the soil's pH, potentially leading to unhealthy plants or reduced growth effectiveness. Read on to learn about how rain affects the pH of the soil: What is pH in soil? pH measures how alkaline or acidic a material...
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    Discover the HI-931 Automatic Potentiometric...

    The HI-931 Automatic Potentiometric Titrator is a space-saving, versatile instrument for the accurate measurement of a range of different parameters. This compact automatic titrator can perform a wide variety of standard and custom potentiometric titrations and pH, mV and ISE measurements when combined with appropriate Hanna electrodes.  What is...
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    A complete guide to pool water testing

    Understanding and managing your pool chemistry is a key requirement for operating a swimming pool safely, whether you have a private pool at home or offer swimming facilities to guests at a holiday park, gym or spa. Accurately testing the water in your pool with the right testing equipment provides the information you need to dose your water, ensuring it is safe and hygienic. We cover everything you need to know about pool water...
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