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OVERVIEW
Measure Free Chlorine Without Compromising Quality or Time
These membrane-covered amperometric sensors are used to measure the concentration of free chlorine. The following anorganic chlorination agents can be measured: chlorine gas (Cl2), elec-trolytically generated chlorine, sodium hypochlorite (NaOCl, chlorine bleaching solution), calcium hypochlorite (Ca(OCl)2), or chlorinated lime (Ca(OCl)Cl).
The sensors are not suitable for detecting the absence of free chlorine.
The sensors’ integrated electronics provide a temperature-compensated current signal (4 to 20 mA) for the variant with an analog output signal, and a Modbus RTU signal for the variant with a digital interface. A downstream device (indicator, controller, recorder, PLC, etc.) is used for calibration.
The sensors can be connected directly to various indicating devices/transmitters/controllers. They provide the voltage required for supplying the sensors and allow for easy calibration of the measuring system.
Features
- 2 and 3 electrode principle
- Easy Calibration
- Integrated temperature compensation
- Proven measuring system
- Electrical connection analogue or digital
Applications
- Measurements in drinking water
- Swimming pool water
- Service water
- Process water
- Cooling water
- Seawater
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SPECIFICATIONS
Measuring Range Max. 0.05 to 200 mg/l (analog); max. 0.05 to 20 mg/l (digital) Measuring Principle Membrane-covered, amperometric two-electrode system with integrated electronic components Inflow Speed Approx. 15 cm/s Response Time t90 Approx. 30 s Operating Temperature Measuring water: 0 to 45 °C; ambient 0 to 55 °C Settling Time 1 h Suitable Chlorination Agents Inorganic chlorine compounds: NaOCl (sodium hypochlorite), Ca(OCL)2, chlorine gas, chlorine produced by membrane electrolysis (not suitable: chlorine electrolysis without a membrane) pH value of area of application pH 6 to pH 8: note the effect of the pH value on the disinfecting properties, corrosion and the dissociation curve. Application areas Drinking water, swimming pool water, service water
Jumo tecLine Cl2 – Free Chlorine Sensor
These membrane-covered amperometric sensors are used to measure the concentration of free chlorine (e.g. in drinking water, swimming pool water, industrial water, process water, and cooling water). The sensors can be connected directly to a suitable indicating and control device
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