- BİTKİ VERİMLİLİK ANALİZ CİHAZI-OS5P
KLOROFİL II FLORESANS ÖLÇÜMÜ İLE VERİMLİLİK ANALİZİ YAPILMAKTADIR
ÖLÇÜLEN PARAMETRELER:
Y(II): Quantum photosynthetic yield (light adapted quantum yield of PSII) Fo: Minimum fluorescence Fm: Maximal fluorescence Fv: Variable fluorescence FV/FM: Photochemical efficiency Fv/Fo: More sensitive detector of plant stress than Fv/Fm Fms (Fm’): Maximal fluorescence under steady state conditions (Fm’) Fs: Fluorescence signal prior to saturation pulse (F’) qP: Photochemical quenching qN: Non-photochemical quenching qL: Photochemical quenching NPQ: Non-photochemical quenching Y(NPQ): Photo-protective heat dissipation Y(NO): Non-photoprotective heat dissipation Ft: Current fluorescence readout ETR: Electron transport rate (with PAR clip) rETRMAX: Leaf photosynthetic capacity PAR: Photosynthetic Active Radiation (with PAR clip) T: Leaf temperature (with optional PAR sensor) qE, qT, qL, qM, qZ: Quenching relaxation parameters Strasser OJIP parameters: O, J, I, P, t100µs, t300µs, Mo, PIABS, A, tFM
Excitation sources: Saturation pulse: White LED with 690nm filter. 0-15,000 µmols m-2 s-1, 7,500 µmols m-2 s-1 with PAR clip Modulating light: Two channel 660nm (red) and 450nm (blue) LED Actinic light: White LED 0-5,800µmols m-2 s-1 0-1,850 µmols m-2 s-1 with PAR Clip Far red: Intensity adjustable 740nm LED Detection method: Pulse modulation Detector: PIN photodiode with 700-750nm filter Sampling rate: Auto-switching from 1 to 10,000 points per second, depending on test and phase of test Test duration: Adjustable 0.1 seconds – 12 hours Data storage: 1Gb internal memory for thousands of data sets and traces. Removable SD cards Digital output: USB & 1GB SD cards User interface: Graphic, backlit, colour, touch screen display (114mm x 89mm) Battery: Rechargeable nickel metal hydride providing up to 12 hours of continuous operation Operating temperature range: 0oC-50oC Dimensions: 18cm x 14cm x 8cm Weight: 1.6kg