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 Qubit Systems Q-G265 Flow Monitor 2 L Learn More Hansatech Instruments FMS 2 Chlorophyll Fluorimeter Learn More Photon Systems Instruments Closed FC 800-C Learn More Skye Instruments Single Channel Light Sensor – Custom Learn More