Quantum-radiometric probe for measuring the PHOTONS FLOW in the chlorophyll field PAR (photosynthetically Active Radiation 400nm…700 nm), μmol m-²s-¹ measure, cosine correction diffuser.

Measuring range 0.10 μmol m-²s-¹…10·10³ μmol m-²s-¹.

Available also probe LP471PAR02 that uses a special filter that optimizes the spectral response