| Customization: | Available |
|---|---|
| After-sales Service: | 24-Hour Customer Service |
| Warranty: | 1 Year |
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| This monitor is based on the standard HJ586-2010 "WaterQualityDetermination of Free Chlorine and Total Oxy-gen-N,N-Diethyl-1,4-Phenylenediamine (DPD) Spectro-photometric Method." Under conditions of pH 6.2 to 6.5.firee chlorine reacts directly with DPD to produce a redcompound,and its absorbance is measured at a specificwavelength. |
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