AlpHa Measurement Solutions |
Free & Total Chlorine in Drinking Water
Free & Total Chlorine in Drinking Water
The use of chlorine or chlorine compounds is one of the most common ways for drinking water facilities to ensure safe drinking water throughout the distribution system.
Chlorine causes the oxidation (lysing action) of bacteria, microorganisms and viruses that if left untreated can cause a wide range of illnesses. The use of free chlorine (commonly as hypochlorite ion and hypochlorous acid) as a gas, liquid, or solid is the most common form of disinfection. When chlorine combines with nitrogen compounds it is often referred to as “combined chlorine” and may also be used as a disinfectant as it is safer to transport and handle though less effective as a disinfectant compared with free chlorine. The sum of free chlorine and combined chlorine in a water sample is referred to as total chlorine. AlpHa’s RC68 and RC67 Chlorine sensors provide a continuous, direct measurement of free and total chlorine in parts per million (ppm).
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- Ranges:
- 0 – 2 ppm / 0 – 5 ppm / 0 – 10 ppm / 0 – 20 ppm / 0 – 100 ppm
- Adjustable within 0 – 100 ppm
- Typical Calibration Frequency: Monthly
- Response Time: T90 120 Seconds
- Resolution: 0.01 ppm
- Accuracy: 0.2 ppm or 4%, whichever is greater
- Temperature Range: 0 to 50°C
- pH Range: pH independent between 6 to 9 and pH compensation available outside this range
- Flow Rate:
- Minimum: 30 L/hr (0.6 cm/s)
- Maximum: 60 L/hr (1.3 cm/s)
- Sensor Type: 3-Electrode Amperometric with Membrane
- Warranty: 12 Months
- Technology
- Free Chlorine
- Total Chlorine
- Chlorine Dioxide
- Form Factor
- Process Body
- Custom Options Available
- Housing Material Options
- PVC / CPVC
- ABS
- Ryton
- Custom Options Available
- Thermistor Options
- Integrated Temperature Compensation
- Integrated Insertions
- 1" Compression Fitting
- 3/4" NPT
- Custom Options Available
- Analog
- 4 – 20 mA
- 0 – 5 V
- Digital
- RS-485 MODBUS RTU
- Cables & Connectors
- Tinned Leads
- Custom Options Available
