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 Skye Instruments Leaf Area/Root Length Systems Learn More PP Systems Insect Respiration Chamber Learn More Spectrum Technologies LightScout 3 or 6 Sensor Quantum Bars Learn More