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Smart amperometric Chlorine Dioxide Analyzer: 9187sc
The 9187 sc Chlorine Dioxide (ClO2) Sensor is an online, single-channel industrial sensor that measures ClO2 in drinking water treatment plants, distribution networks, and other applications that require monitoring ClO2 at the ppb and ppm levels. This instrument uses an amperometric method to measure ClO2 concentration. A membrane allows the selective diffusion of ClO2 molecules to the amperometric sensor. The measurement is compensated for temperature.
| Accuracy | 5% or ±10 ppb ClO2, whichever is greater |
| Calibration Interval | 2 months |
| Calibration Method | Zero Calibration: Electrically or with ozone-free water Calibration: Comparison of lab method with process sample |
| Enclosure Rating | IP66 / NEMA 4X |
| Flow | 14 L/h (200 – 250 mL/min) auto-regulated by flow through cell |
| Interferences | Ozone |
| Lower Limit of Detection (LOD) | 0.01 mg/L ClO2 |
| Maintenance Interval | 6 months for membrane and electrolyte (measurement cell) |
| Measuring Interval | Continuous |
| Measuring Principle | Amperometric/Membrane (electrode, membrane, electrolyte) |
| Mounting | Flat, vertical surface (panel, stand, etc.) |
| Operating Temperature Range | 0 – 45 °C |
| Parameter | Chlorine Dioxide |
| Pressure Range | 0.1 – 2 bar in flow cell |
| Range | 0 – 2 mg/L ClO2 |
| Relative Humidity | 0 – 90% non-condensing |
| Response Time | 90% in less than 90 seconds |
| Sample Input | 0.25 ” outer diameter |
| Sample Output | 0.5 ” inner diameter |
| Sample Temperature | 2 – 45 °C (35.6 – 113 °F) |
| Standard deviation | 1.5 |
| Storage Conditions | -20 – 60 °C (-4 – 140 °F) |
| Temperature Compensation | Automatic over sample temperature range |
| Temperature Compensation | Automatic over sample temperature range |
| Warranty | 12 months |
| Weight | 6.5 kg (14.33 lb) |
| What’s included? | Hach 9187sc Chlorine Dioxide sensor panel, 4 spare membranes, and Manual. |
