OxyCorder 401 Photon Systems Instruments Categories Crops , Photosynthesis, Chlorophyll & Respiration Brochure Send Enquiry Overview PSI OxyCorder 401 the primary application of the instrument is the polarographic measurement of dissolved oxygen by a Clark electrode. Used to measure dissolved oxygen in photosynthesis research. Back Our Related Products Spectrum Technologies LightScout Foot-Candle Meter Learn More Qubit Systems S158 CO2 Analyzer 0-10% Learn More Photon Systems Instruments AlgaeTron AG 230 Learn More Photon Systems Instruments Handy FluorCam FC 1000-H Learn More