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< 7. Calibration >
7-10
IM 12E01B30-02EN
1st Edition : Mar. 08, 2023-00
7.12 Basic (reference) sensitivity calibration
Sensitivity factor(S0) is updated The slope is 100 %. Be sure to perform this calibration after
implementing the Zero calibration.
No error check is conducted at the calibration, therefore, perform calibration properly. For
information on preparation of calibration solution, see “n Formazin Standard Solution”
[How to perform basic (basic (reference)) sensitivity calibration]
(1) Turn on the maintenance mode.
(2) Press on Main screen to enter the calibration menu.
(3) Select [basic sensitivity calibration] in the menu list of Calibration others.
When a message appears, press [Next]. Enter the concentration of the standard solution
and press [Next].
(4) Check the reading becomes stable. Press [Accept].
(5) Check the calibration result and the concentration of the standard solution, press [Accept] to
update a basic (basic (reference)). Slope is updated to 100%.
(6) To exit the calibration, turn off the maintenance mode after feeding the sample and
confirming that the reading becomes stable.
7.13 Calibration Error
When executing calibration items except for Basic sensitivity calibration, if a calibration result
is abnormal, the calibration error is displayed, and the calibration result is discarded. The
Acceptable range as follows:
Zero:
Acceptable range is wide and hardly error occurs.
Slope:
25 ~ 200%
Zero shift value: -10 ~ 10 NTU
Correction factor: 0.25 ~ 4 times
Summary of Contents for TB830D
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