The right sensor makes the difference.
Choosing a pH electrode that is well-suited for your application will improve measurement accuracy and extend electrode lifetime. Glass pH electrodes offer the greatest chemical compatibility, making them a safe choice for aggressive or unknown chemical samples.
Basic
Reliable and Easy to Use
Click the image to learn more.

Great for Hydroponics, Indoor Gardening, and Aquariums
Recommended for Student Use
Standard Sensor Lifetime
60⁰ C Maximum Temperature
Advanced
Versatile for Difficult Sample Types
Bulb or flat surface designs. Click either image to learn more.

Recommended for Environmental and Wastewater Sample Testing
Flat Tip Model for Surface Measurements and Sludges
Extended Sensor Lifetime
80⁰ C Maximum Temperature
Already know what features you need? Compare the technical specifications of our glass pH electrodes
Can’t find the part number you’re searching for? Some of our glass pH electrodes recently got an update.
Looking for something more durable than a glass pH electrode? Try our polymer body pH electrodes!