Available in liquid-filled, gel-filled, and open junction solid electrolyte versions, there is an M4 Knick’s pH/ORP sensor for every application.  With advanced Memosens digital sensor technology maintenance and reliability are greatly improved. A wide variety of holders and fittings along with transmitters (both fixed and portable) complete the range.

Certain sensors are available with Canada-wide CRN certification.


Our team knows all of our partners, products, and systems like the back of their hand. Our experts can guide you through our expansive product offering, creating the best possible analytical instrumentation solution for your needs.