Multi 9420 Ion concentration
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Continuing with two-
point calibration
9. Immerse the electrode in standard solution 1.
10. When calibrating without temperature sensor:
Measure the temperature of the standard solution using a thermom-
eter.
Use <F4>/[ ⇅ ] to select the setting of the temperature.
Use <><> to set the temperature.
Use <F4>/[ ⇅ ] to select the setting of the concentration.
11. Set the concentration of the standard solution with <><> and
press <ENTER>.
The standard solution is measured.
The measured value is checked for stability (AutoRead).
12. Wait for the end of the AutoRead measurement or accept the calibra-
tion value with <ENTER>.
The calibration display for the next standard solution appears.
13. Thoroughly rinse the electrode with distilled water.
14. Immerse the electrode in standard solution 2.
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