Leaf-Clip FL 3500/LC Photon Systems Instruments Categories Crops , Photosynthesis, Chlorophyll & Respiration Brochure Send Enquiry Overview PSI Leaf-Clip FL 3500/LC measuring in leaves Equipped with a non-intrusive leaf-clip, this version is designed to measure fluorescence of plant leaves or their segments. Measured area: circle 12.7 mm (0.5 inch) in diameter. Back Our Related Products PP Systems Ciras-4 Portable Photosynthesis System Learn More Photon Systems Instruments LED Light Source SL 3500 Learn More Photon Systems Instruments AquaPen-C AP-C 100 Learn More Photon Systems Instruments Photobioreactor FMT 150 Learn More