4 Calibration
21
4.
Pour the solution in the 1 L beaker into the 2 L measuring flask, add zero solution
to the gauge line, and shake to dissolve the solution.
4.4.2
Common Zero Calibration
Preparation
Calibration procedure
1.
Press [UV/VIS] on the CALIBRATION screen of control unit.
2.
Clean the attached calibration tank with zero solution thoroughly, and pour the zero
solution to the scale.
3.
Prepare the plastic bucket and pour the tap water.
4.
Remove the analyzer unit from the measurement tank.
Note
When removing the analyzer unit, make sure not to lose the wing nuts.
As the UV lamp is illuminated, work with the attached light shielding glasses. The UV lamp should
not be viewed directly as your eyes may be damaged.
[CAL.]
[UV/VIS]
MEAS. screen
Refer to "4.3 Calibration Screen Display" (page 17)
CALIBRATION screen
UV/VIS CAL. screen
Plastic bucket:
1 (diameter: approximately 30 cm)
Zero solution (distilled water):
approximately 3 L
Calibration tank:
1
2 L Measuring flask:
1
Cleaning bottle:
1
Light shielding glasses:
1 (Eye protector of the scale number 4 equivalence
prescribed by ISO 4850)
[UV/VIS]
Calibration item
Pour the tap water to a depth of approximately 9 cm
(so that the base of the analyzer unit may not soak in the water).
