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 Photon Systems Instruments Leaf-Clip FL 3500/LC Learn More Photon Systems Instruments Photobioreactor FMT 150 Learn More Soil Moisture G4 Brass Support Washers Learn More Others Decagon LP-80 Ceptometer Learn More