4.2.2 Confirmation of Bandwidth
1. Select Wavelength Scan from the Main Menu and then press ENTER.
2. Set the operating conditions as shown below:
Data Mode
E(R)
Start
WL
(nm)
660
Stop
WL
(nm)
650
Scan
Speed
(nm/min)
100
UP
Scale
100
LO
Scale
0
Lamp Change WL (nm)
340.0
WI Lamp
ON
D2
Lamp
ON
Response
Fast
3. Verify that the Sample and Reference cuvette holders are empty. Then
press 0 to display the measurement screen.
4. Press START to acquire a spectrum.
5. Select “Print” to record the spectrum on a graphic plotter, and then check
the bandwidth as shown below:
a. Measure the peak width in nm at half-height.
b. If this value is 1.5nm
±
0.3nm, then the bandwidth is normal.
E
ner
gy
Peak width at half-height
A
2
WL
A
0
4.2.3 Confirmation of Baseline Stability
Be sure to warm up the instrument sufficiently (approx. 2 hours), and then
proceed as instructed below:
4-2
