Walz MINI-PAM-II, Manual, Page: 80 / 130

Chapter 7 Touchscreen Operation
74
The average PAR of measuring light at highest frequency and
highest intensity setting was measured to be 1.5 µmol m
-2
s
-1
by
the PAR sensor of the 2035-B leaf clip and MINI-PAM-II fiber in
the fully inserted position. For the same geometrical arrange-
ment, average measuring light intensities can be estimated using
the subsequent equation:
12
. .
) ( 100
) (
) ( 5 . 1 ) (
2 2
Sett Int
Hz
Hz f
s m
µmol
s m
µmol
I
ML
⋅ ⋅
⋅
=
⋅
where I
ML
, f and Int. Sett. is the current measuring light intensity
in µmol m
-2
s
-1
, the current measuring light frequency, and the
current intensity setting for measuring light, respectively.
Gain 7.3.1.3
Selecting “Gain” by the SET gives access to four electronic
amplification factors (1 to 4) which can be adjusted by the arrow
keys.
Damping 7.3.1.4
Damping is a software-based filter that specifically suppresses
high frequency noise and, thus, can improve signal quality.
Changing damping settings uses the same principle as described
for “Gain”. Default setting for damping is 2 (two). Changing
damping to higher values can make the MINI-PAM-II response
slow.