3.4
3.4
3 - 3
3 - 3
3.4
3.4 System
System Baseline
Baseline Measurement
Measurement
The system baseline can be memorized in
The system baseline can be memorized in the following
the following
procedure.
procedure.
(1)
(1) Make
Make sure th
sure that there
at there is noth
is nothing a
ing at the
t the sample
sample side
side and
and
reference
reference side
side of the
of the cell
cell holder.
holder. Then, cl
Then, click the
ick the Record
Record
Baseline command from the
Baseline command from the Spectrophotom
Spectrophotometer menu.
eter menu.
The window shown in Fig.
The window shown in Fig. 3-3 then appears.
3-3 then appears.
Fig.
Fig. 3-3
3-3 Record
Record Baseline
Baseline
(2)
(2) Select
Select “System”
“System” and
and click
click the
the
OK
OK
button.
button. Set
Set the
the
parameters as shown below and save the
parameters as shown below and save the baseline.
baseline.
Parameter
Parameter
Setting for
Setting for
U-2810
U-2810
Start
Start WL
WL (nm)
(nm)
1100
1100
End
End WL
WL (nm)
(nm)
190
190
Sc
Sca
an s
n spe
pee
ed (
d (n
nm
m/m
/min
in))
20
200
0
Response
Medium
Response
Medium
WI
WI lamp
lamp
On
On
D2
D2 lamp
lamp
On
On