Shimadzu SPD-M20A - Absorbance Accuracy Check Procedure

Chapter 6: Maintenance and Adjustments
SPD-M20A Service Manual
60
Item
Condition Setting [Unit]
Remark
Standard filter absorbance
0.*** [AU]
Enter the absorbance value for the
measurement wavelength 245 nm and
bandwidth 6 nm, written on the official certificate
provided with the filter.
Absorbance
measurement wavelength
245 [nm]
Control Number
******
Enter the Control Number written on the official
filter certificate.
Criteria
3 [%]
Measurement lamp
setting
Only D2 lamp turned ON
Cell temperature
40 [C]
Sampling rate
640 [msec]
Time constant
640 [msec]
Absorbance
measurement wavelength
bandwidth
6 [nm]
3) Perform "Absorbance Accuracy Correction".
4) Proceed through <Content> -> <Required parts> -> <Preparations>.
5) Install the absorbance accuracy measurement cell according to the directions in
the dialog box.
6) When <Measure> appears, install the standard filter, wait about 30 seconds for
the spectrum to stabilize, and proceed to the next step.
7) <Result> is displayed.
If there is no problem, proceed to the next item, and set the correction value in the
instrument.
8) Select Finish to end the correction.
< Absorbance Accuracy Check Procedure >
1) Open the PDA Utility "Absorbance Accuracy Check / Correction".
2) Select [Settings] ->[Check Conditions Settings], and perform the settings shown in
the table below.
Item
Condition Setting [Unit]
Remark
Standard filter absorbance
0.*** [AU]
Enter the absorbance value for the measurement
wavelength 245 nm and bandwidth 6 nm, written
on the official certificate provided with the filter.
Absorbance
measurement wavelength
245 [nm]
Control Number
******
Enter the Control Number written on the official
filter certificate.
Criteria
3 [%]
Measurement lamp
setting
Only D2 lamp turned ON
Cell temperature
40 [C]
Sampling rate
640 [msec]
Time constant
640 [msec]
Absorbance
measurement wavelength
bandwidth
6 [nm]
3) Run "Absorbance accuracy check".
4) Proceed through <Content> -> <Required parts> -> <Preparations>.