John Morris Scientific was founded in April 1956 by John Leon Wyzenbeek and Morris Garlick. This partnership was dissolved in 1959. Since its inception, three generations of the Wyzenbeek family have worked in John Morris Scientific. At present, John Wyzenbeek’s son Norbert is Chairman of the Board and Norbert’s eldest son Andre is Director of Marketing. Norbert`s youngest son Karl manages the Cole-Parmer team.

John Morris Scientific’s philosophy of only selling the best products has ensured John Morris Scientific’s continued growth and earned us a reputation of being the most reliable, caring, successful and stable scientific and environmental equipment supplier in our region.


Biological Oxygen Monitor, 220 Volt

The YSI 5300A Biological Oxygen Monitor is ideal for a variety of teaching and research applications in the laboratory. The 5300A measures oxygen consumption and evolution in a variety of samples including respiration, oxidative activity, and cellular metabolism studies. The 5300A utilises Clark-type polarographic oxygen probes immersed in magnetically-stirred sample chambers, and produces oxygen uptake or evolution curves in two to 15 minutes. This ...

DaisyII Incubator, 220V 50/60Hz

The DaisyII Incubator has been subjected to rigorous testing over a broad range of sample types. Results can be determined for In-Vitro True Digestibility, Apparent Digestibility, Rate studies, Neutral Cellulase Gamanase Digestibility, and other related studies for all feeds and forages. The DaisyII employs filter bag technology, which encapsulate samples and prevent filtration errors. Filter Bag Technology also enables batch processing of 100+ ...


Vacuum & Flow

At John Morris Scientific we love vacuum as much as you do! As part of the service John Morris Scientific offers, we have state of the art clean room facilities specifically designed to rapidly service your vacuum pumps of all brands and sizes. John Morris Scientific also has the ability to service and recalibrate your MKS Mass Flow Controllers with our in-house MKS gas-flow and pressure calibration benches with NIST traceable standards.

Pipette Calibration

John Morris Scientific offers pipette calibration and repair on the entire Gilson pipette range. Our Pipette Laboratory is NATA certified and registered, meaning all pipettes serviced at JMS are guaranteed to the highest standard.


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