4 Calibration
27
4.4.4
Individual (UV) Span Calibration
Perform the individual (UV) span calibration after finishing the common span calibration.
Preparation
Calibration procedure
1.
Press [UV/VIS] from the CALIBRATION screen of control unit.
2.
Clean the attached calibration tank with zero solution thoroughly, pour
approximately 100 mL of the span calibration solution of acid potassium phthalate
(from the 2 L measuring flask), which is prepared by following "4.4.1 How to
Prepare Calibration Solution" (page 18), and clean the tank inside.
3.
After cleaning, pour the individual span solution to the scale.
[CAL.]
[UV/VIS]
MEAS. screen
Refer to "4.3 Calibration Screen Display" (page 17)
CALIBRATION screen
UV/VIS CAL. screen
Calibration tank:
1
Span calibration solution: 2 L (measuring flask)
Cleaning bottle:
1
Light shielding glasses:
1 (Eye protector of the scale number 4 equivalence prescribed
by ISO 4850)
[UV/VIS]
Calibration item
Pour approximately 100 mL
Shake up and down.
of span solution.
Clean the tank inside.
Discard the solution.
Scale
Amount to the scale is approximately 1.3 L.
