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Calibration
10
Prewashing of pH9 standard solution or pH4 standard solution/pure water washing
1.
Switch the valve from CAL to DRAIN position to drain pure
water.
2.
Pour the pH9 standard solution or the pH4 standard solution
into the funnel and turn the valve to CAL position and to
DRAIN position again to clean up with the pH9 standard
solution or the pH4 standard solution.
3.
Pour the pH9 standard solution or the pH4 standard solution
into the funnel and turn the valve to CAL position and wait a
few minute for calibration.
4.
Make calibration with the pH9 standard solution or the pH4
standard solution referring to the instruction manual.
5.
Turn the valve to DRAIN position to drain out the pH9
standard solution or the pH4 standard solution.
6.
Turn the valve to CAL position and pour pure water into the
funnel to clean up the cell.
Drain
Clean
Drain
Calibration
Prewashing
pH9 or pH4
Completed
of calibration