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RC68 Residual Chlorine Electrode (Free Chlorine)
SKU: WQ-00213
Available
Polarographic sensor for free chlorine (chlorine gas, hypochlorous acid, hypochlorite) that removes monochloramine interference combined with RC67 it can separately provide free and total chlorine. For drinking water, swimming pools, spas and industrial water, especially coloured water. Polarographic three-electrode chlorine sensor for continuous measurement in swimming pools, spas, industrial applications, or turbid/colored samples where colorimetric methods are inadequate built-in temperature compensation.
- Model Type
- Polarographic three-electrode residual chlorine electrode
- Measurement Range
- Adjustable from 0-100ppm
- Temperature
- 0-50 °C
- pH Range
- 4-12
- Flow Rate
- 30-60 liters/hour (or 0.6-1.3 cm/s)
- Pressure
- <2.5 atmospheres (38psi)
- Water Sample Conductivity
- >150µS/cm (tap water conductivity)
- Accuracy
- ± 0.1mg/L
- Calibration
- Generally one-point calibration with non-zero point (DPD method) is sufficient
- Response Time
- T90: 1.5-5 minutes, depending on water volume, flow rate and residual chlorine concentration
- Material
- Black ABS
- Dimensions
- φ25.4mm x 161.7mm
- Repeatability
- ±0.1 mg/L (25 °C)
- Polarization and Debugging
- 1-8 hours
- Power Consumption
- Power supply 5-36V DC, average 50 mA at 5V
- Output
- RS485-Modbus
