© PSI (Photon Systems Instruments), spol. s r. o.
17
7 HOW TO GET STARTED
For more detailed information on particular steps of FluorPen operation please refer to chapter 8.
The device can work on Li-Ion battery or is charged via USB cable from PC or grid. Monitoring Pen can be charged also
from battery pack (see more in chapter 15.1)
The FluorPen is controlled using two buttons:
• Use the MENU key to scroll through sequential menu options on the digital display.
• Use the SET key to select a menu option based on cursor (>) position.
7.1 PU LSES DE S CRI PTIO N A ND SE TT ING
Flash pulse
This function serves for setting of measuring pulses intensity. The measuring pulses are weak pulses, which are able to
induce the minimal chlorophyll fluorescence (F
0
or F
t
). It takes only 30 µs and the maximum intensity is
3,000 µmol.m
-2
.s
-1
. It means 30 µs * 3,000 µmol.m
-2
.s
-1
= 0,09 µmol.m
-2
per pulse is the maximal intensity of the flash
pulse.
Super pulse
This function serves for setting intensity of the saturating pulse. Saturating pulse induces maximum chlorophyll
fluorescence (F
m
). 100 % of intensity equals approximately 3,000 µmol.m
-2
.s
-1
.
Actinic pulse
This function serves for setting intensity of measuring pulses. Actinic light is basically the ambient light in which the algae
are growing. 100 % of intensity equals approximately 1,000 µmol.m
-2
.s
-1
.
Pulses used in predefined protocols:
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