PSI FluorPen FP 110 User Manual

© PSI (Photon Systems Instruments), spol. s r. o.
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Fig. 5 Chlorophyll fluorescence.
FluorPen measures:
F
t
- Instantaneous Chlorophyll Fluorescence
F
t
is equivalent to F
0
if the sample is dark-adapted.
QY - Quantum Yield
QY is a measure of the Photosystem II efficiency. QY is equivalent to F
v
/F
m
in dark-adapted samples and to F
v '
/F
m '
in
light-adapted samples.
OJIP - Chlorophyll Fluorescence Induction Kinetics
The OJIP curves enable observing major changes that occur during exposure of a sample to high irradiance (see more
in Chapter 7.3.1).
NPQ - Non-Photochemical Quenching
The NPQ protocol is the most typically used measuring approach to quantify photochemical and non-photochemical
quenching. The measurement should be performed with a dark-adapted sample. More in chapter (see more in
Chapter 7.3.2)
LC - Light Curve
Photosystem II Quantum Yield estimated from fluorescence that is measured sequentially in several different light
levels (see more in Chapter 7.3.3).
PAR* - Photosynthetically Active Radiation
Photosyntetically Active Radiation measured as Photosythetic Photon Flux Density (PPFD).
* Only in PAR-FluorPen FP 110.

PSI FluorPen FP 110 Specifications

General

Brand	PSI
Model	FluorPen FP 110
Category	Measuring Instruments
Language	English