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 3 or 6 Sensor Quantum Bars Learn More Others Munsell Plant Tissue Color Charts Learn More Hansatech Instruments FMS 2 Chlorophyll Fluorimeter Learn More Photon Systems Instruments AlgaeTron AG 130-ECO Learn More