Shimadzu SPD-M20A - Page 65

Chapter 6: Maintenance and Adjustments
SPD-M20A Service Manual
63
1) Attach the standard cell.
2) Open the PDA Utility "Absorbance Linearity Check/Stray Light Correction".
3) Select [Stray Correct Settings…] --> [Check Condition], and perform the settings
shown in the table below.
Item
Condition Setting
Remarks
Wavelength:
272 nm
Wavelength band Width:
15 nm
When it becomes a failure by Linearity Check, the
numerical value of 10-20 nm is inputted, and a
calibration is performed.
10 nm has little Stray Correct. Stray Correct of
20 nm is large.
Lamp:
Only D2 lamp
turned ON
Cell Temperature:
40C
4) Select [Function] and perform [Stray Light Correction].
5) Proceed through <Content> --> <Background Compensation>.
6) Use a syringe to inject 1 mL of methanol into the cell.