M4 Knick offers a wide range of oxygen sensors featuring both polarographic and optical technologies, and of course, the advanced Memosens digital communication protocol. A full range of holders and fittings along with transmitters (both fixed and portable) complete the portfolio.


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.