Submersible FL 3500/SM Photon Systems Instruments Categories Crops , Photosynthesis, Chlorophyll & Respiration Brochure Send Enquiry Overview PSI Submersible FL 3500/SM is underwater experiments Maximum operating depth of the instrument is ca 1 meter. The measuring compartment is equipped with a practical holder. Typical samples: Plants, corals and seaweed. Back Our Related Products Photon Systems Instruments Algae Online Monitor(AOM) Learn More Others CID Portable Laser Leaf Area Meter (CI-202) Learn More Soil Moisture G4 Leaf Grommet Kit Learn More Photon Systems Instruments Rover FC 900-R Learn More