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 PP Systems Ciras-4 Portable Photosynthesis System Learn More Hansatech Instruments CL-01 Chlorophyll Meter Learn More Photon Systems Instruments LED Fyto-Panels Learn More Qubit Systems Q-G266 Flow Monitor 1L Learn More