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ASU
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Illustration 3-4:
Measured value displayed in white font
Illustration 3-5:
Data Clear Confirmation Notice
TAKING MEASUREMENTS
（４）
Blank measurement begins when you tap the
⑤
Measure Button
. The measured blank intensity is
displayed in the black frame, and the absorption value
(0.000) is displayed in the frame on the right (Illustration
3-4).
At this time R, G, and B data are simultaneously meas-
ured. When measurement is finished, the value will be
displayed in white font. This data will be used to make
the graph of the curve
< Page 18>
.
*
The measured intensity indicates the amount
of light passing through the sample.
Absorption is calculated based on the blank measurement
intensity and the measured intensity of the sample.
（５）
The blank measurement intensity should fall in
the range of 30000 to 60000. If the value is lower,
raise the LED output level
<Page 14
(
2) >
.Also, tap
the
①
RGB Switch Buttons
and make sure that the
blank measurement intensity values for R, G, and B
are not all 65535. Values of 65535 indicate that the
measurement data is saturated, so absorption cannot
be properly measured.
（６）
If the measured intensity is 65535, return to ( 2 ), lower
the LED output level, and then measure again. When
the level is changed, a prompt like that shown in
Illustration 3-5 is displayed to request confirmation
that data is to be cleared; select “Yes”.
This completes blank measurement.
TAK
IN
G
ME
ASU
REME
NTS
15
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