CIRAS-3 Operation Manual V. 1.09 134 support@ppsystems.com
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Fluorescence
Measurement
Only one valid selection can be made and the measurement recorded at
recording intervals of your choosing. This will be influenced by your choice of
Recording mode (Manual, Timed, or Response Curve).
None. If selected, there will be no chlorophyll fluorescence measurements
performed after a photosynthesis measurement has been recorded.
phiPSII-SP (ϕPSII-Single-Pulse). If selected, a single, saturating pulse will be
applied to the light-adapted leaf sample. The single pulse duration and
intensity can be set in the lower part of the screen under “Saturating Light”.
phiPSII-MP (ϕPSII-Multi-Pulse). If selected, multiple, saturating pulses will be
applied to the light-adapted leaf sample. The Multi-Pulse duration and
intensity settings (up to 5 steps) can be set in the lower part of the screen
under “Saturating Light”.
ϕPSII. If this is selected, a saturating pulse will be applied to the light-adapted
leaf sample after a photosynthesis measurement has been recorded.
phiPSII-FoP (ϕPSII-Fo’). If this is selected, a saturating pulse will be applied
to the light-adapted leaf sample followed by illumination using the far-red light
for measurement of Fo’ after a photosynthesis measurement has been
recorded.
Fs. If this is selected, the steady state fluorescence will be recorded after a
photosynthesis measurement is recorded.
Fluorescence
Measurement
This defines the final measurement to be recorded after the last
photosynthesis measurement.
None. If this is selected, there will be no concluding chlorophyll fluorescence
measurement and the sequence will terminate after the last photosynthesis
measurement.
FoP (Fo’). If selected, far-red light will be applied to the leaf sample.
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