Magnetic Stirrer Photon Systems Instruments Categories Crops , Photosynthesis, Chlorophyll & Respiration Brochure Send Enquiry Overview PSI Magnetic Stirrer designed to provide continuous stirring with little speed deviation and minimal heat build-up. A handy accessory to the PSI Fluorometers. Back Our Related Products Spectrum Technologies LightScout Foot-Candle Meter Learn More Qubit Systems S129 Methane Analyzer 500ppm Learn More Regent Instruments WinSCANOPY Learn More Hansatech Instruments FMS 2 Chlorophyll Fluorimeter Learn More