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Time of issue:2020-04-29 00:00:00
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9187sc chlorine dioxide analyzer

Online Analyzer

Online Analyzer

9187sc-二氧化氯分析仪sc

9187sc chlorine dioxide analyzer

Typical application The characteristics of chlorine dioxide concentration online monitoring instrument suitable for drinking water and industrial process water disinfection and sterilization process ● Wide measurement range ● Selective membrane sensor ● Small maintenance: calibration once / 2 months; replacement of electrolyte and membrane / 6 months ● No interference from chlorine, bromine or hydrogen peroxide; O3 is interference, but O3 is not available in the general chlorine dioxide disinfection system. Measuring principle The electrolyte and permeable membrane separate the electrolytic cell from the water sample On, chlorine dioxide can penetrate the membrane; there is a fixed potential difference between the two sensors, and the current generation is proportional to the concentration of chlorine dioxide; on the cathode: ClO2 + 4H +
9187sc-二氧化氯分析仪sc
Product description
Technical indicators
typical application
Suitable for online monitoring of chlorine dioxide concentration in drinking water and industrial process water disinfection and sterilization processes
 
Instrument characteristics
● Wide measuring range
● Using selective membrane sensor
● Low maintenance: calibration once / 2 months; replacement of electrolyte and membrane / 6 months
● No interference from chlorine, bromine or hydrogen peroxide; O3 is interference, but O3 is not available in the general chlorine dioxide disinfection system
 
Measuring principle
The electrolyte and the permeable membrane separate the electrolytic cell and the water sample, and chlorine dioxide can penetrate the membrane; there is a fixed potential difference between the two sensors, and the current generation is proportional to the concentration of chlorine dioxide;
On the cathode: ClO2 + 4H + + 5e- → -Cl- + 2H2O
On the anode: Cl- + Ag → AgCl + e-
The sensor has a temperature probe, its function is temperature compensation
 
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Technical index
Measuring range 0.010 - 2 ppm (mg/L) (ClO2)
Detection limit 10 ppb or 0.01 mg / L ClO2
Accuracy 5% or ± 10 ppb ClO2
Response time 90% less than 90 seconds
Sample flow rate 200~250 mL/min
storage temperature -20~60℃
Operating temperature 0~45℃
Sample temperature 0~45℃
Correction method Laboratory comparison
Calibration interval Once / 2 months
Maintenance interval Generally replace the membrane and electrolyte every six months
Injection connection 1/4-in. O.D.
Emission connection 1/2-in. I.D.
Protection level IP-66/NEMA 4X
Instrument size 270 x 250 mm

 

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