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DABECO CL4.2 Electrochemical Chlorine Sensor

DABECO CL4.2 Electrochemical Chlorine Sensor
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DABECO CL4.2 Electrochemical Chlorine Sensor

Product catalog summary
Overview: The CL4.2 indicator is designed for measuring free chlorine in various water applications such as swimming pools, drinking water, and process water. It is crucial that the water does not contain surfactants and maintains a constant pH value.
Chlorination Agents: Suitable agents include sodium hypochlorite, calcium hypochlorite, chlorine gas, and chlorine electrolysis with a membrane cell. Chlorine electrolysis without a membrane cell is unsuitable.
Measuring System: The system uses a membrane-covered, amperometric 2-electrode system. It is available in analog and digital versions, with the digital version offering galvanic isolation.
Specifications:
  • Measuring Range: Varies between 0.005 ppm to 200 ppm depending on the model.
  • Accuracy: Less than 1% at specified conditions.
  • Temperature: Operating range is 0 to 45°C for water and 0 to 55°C for ambient temperature.
  • Pressure: Maximum working pressure is 0.5 bar without a retaining ring and 1 bar with a retaining ring.
  • Flow Rate: Optimal flow rate is 15-30 cm/s.
  • pH Range: Effective between pH 6 and pH 8.
Maintenance: Regular checks are recommended, with membrane caps changed annually and electrolyte every 3-6 months.
Electrical Connections: Various configurations are available, including 5-pole M12 plug-on flange and 2-pole terminal, depending on the model.
Spare Parts: Includes membrane caps, electrolytes, emery, and O-rings.
Compliance: The device is EMC tested and RoHS compliant.
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Catalog excerpts

DABECO CL4.2 Electrochemical Chlorine Sensor-3

Option 1: Retaining ring When operating with pressures >0.5 bar in TARAflow FLC Dimensions retaining ring 29 x 23.4 x 2.5 mm, slitted, PETP Different positions for groove

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DABECO CL4.2 Electrochemical Chlorine Sensor-4

1. CL4.2 (analog output, analog internal signal processing) (Subject to technical changes!)

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DABECO CL4.2 Electrochemical Chlorine Sensor-5

Data Sheet January 2025 (EN) V18 2. CL4.2 (analog output, digital internal signal processing) analog-out / digital Measuring range Output Output resistance Nominal slope Power supply Galvanic isolation required in the measuring device/controller * Function of wires: PIN1: measuring signal PIN2: +U PIN3: power GND PIN4: signal GND PIN5: n. c. * (Subject to technical chang

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DABECO CL4.2 Electrochemical Chlorine Sensor-6

Data Sheet January 2025 (EN) V18 3. CL4.2 (digital output, digital internal signal processing) Measuring range Output Output resistance Galvanic isolation required in the measuring device/controller * 5-pole M12 plug-on flange Modbus RTU Power supply There are no terminating resistors in the sensor. Function of wires: PIN1: reserved PIN2: +U PIN3: power GND PIN4: RS485B PIN5: RS485A * (Subject to technical changes!)

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DABECO CL4.2 Electrochemical Chlorine Sensor-7

4. CL4.2 4-20 mA (analog output, analog internal signal processing)4.1 Electrical connection: 2 pole terminal clamp Galvanic isolation required in the measuring device/controller * Recommended: Round cable 0 4 mm 2 x 0.34 mm2 (Subject to technical changes!)

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DABECO CL4.2 Electrochemical Chlorine Sensor-8

4.2 Electrical connection: 5 pole M12 plug-on flange Output resistance Galvanic isolation required in the measuring device/controller * 5-pole M12 plug-on flange Function of wires: (Subject to technical changes!)

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DABECO CL4.2 Electrochemical Chlorine Sensor-9

(Subject to technical changes!)

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DABECO CL4.2 Electrochemical Chlorine Sensor-10

Slope of TARAbase CL4 versus Flow rate Temperature: 25 C / pH value: 7,2 This values are only valid for the probe housing FLC1 / FLC3

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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