| 摘要 |
A residual chlorine meter detects a pre-calibration residual chlorine reaction amount of sample water in a detection section, inputs a calibration standard residual chlorine standard concentration of the sample water in an input section, determines calibration factors from data for computing the calibration factors based on the amount and the concentration stored in a calibration factor computation data storage section in a calibration factor computation section, and stores the calibration factors in a calibration factor storage section. Then, the meter detects an on-measurement residual chlorine reaction amount of the sample water in the detection section and determines a post-calibration residual chlorine concentration of the sample water from data for computing the post-calibration residual chlorine concentration based on the on-measurement residual chlorine reaction amount and the calibration factor stored in a residual chlorine concentration computation data storage section in a residual chlorine concentration computation section.
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