Chloride Ion Sensor
Overview
Chloride Ion Sensor, also known as Chloride Ion Probe, is an advanced instrument used to measure the Chloride Ion Concentration in various liquid media. These sensors use ion-selective electrode (ISE) technology, which ensures high precision, fast response, and minimal interference from other ions. They play a crucial role in monitoring industrial wastewater, urban sewage, surface water, medical sewage, and even swimming pools. Understanding chloride levels is essential for maintaining water safety and preventing corrosion in industrial systems.
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Principle and Advantages
The chloride Ion Sensor operates on the principle of ion-selective electrode technology. When the probe is submerged in water, the chloride-selective membrane generates a potential difference proportional to the chloride ion concentration, following the Nernst equation. This method offers several advantages:
- High sensitivity and rapid detection of chloride ions
- Minimal interference from other dissolved substances
- Suitable for continuous real-time monitoring
- Long lifespan and stable measurement performance
Key Applications
Industrial Wastewater Treatment
Industries such as chemical manufacturing, food processing, and metal refining generate large amounts of wastewater containing chloride ions. Excess chloride can cause corrosion in pipelines and damage ecosystems. Chloride ion sensors help industries monitor and control chloride levels to meet environmental regulations.
Urban Wastewater Management
Municipal wastewater treatment plants rely on chloride ion sensors to assess the chloride concentration in sewage. Excessive chloride levels can disrupt biological treatment processes, leading to inefficiencies in wastewater purification. Real-time monitoring ensures proper chemical dosing and compliance with discharge standards.
Surface Water and Environmental Monitoring
Chloride contamination in rivers, lakes, and reservoirs can result from industrial discharge, road salt runoff, and agricultural activities. Continuous monitoring with chloride ion probes allows environmental agencies to detect pollution sources and protect aquatic life from excessive chloride exposure.
Smart Agriculture
In precision agriculture, chloride ion sensors are used to monitor irrigation water quality. High chloride levels in irrigation water can affect soil salinity and crop growth. By integrating chloride ion sensors with smart irrigation systems, farmers can optimize water quality for better yield and soil health.
Medical and Laboratory Wastewater
Hospitals and laboratories generate wastewater containing various chemicals, including chloride compounds. Proper monitoring of chloride ion concentrations ensures compliance with wastewater disposal regulations, reducing the risk of environmental contamination.
Swimming Pool Water Quality Control
Chloride ions play a role in maintaining pool water balance. High chloride levels can lead to corrosion of pool equipment and irritation to swimmers' skin and eyes. Chloride ion sensors help pool operators maintain safe and comfortable water conditions.

Specifications of Daruifuno Chloride Ion Sensors
| Model | ACL100 (Composite Electrode) | ACL100S (Single Electrode) | ACL300 (Industrial Composite Electrode) |
|---|---|---|---|
| Measuring Range | 35500ppm to 1.8 ppm | ||
| Working Pressure | 1 bar | ||
| Working Temperature | 0~80℃ | ||
| Flow Rate | 0.5m/s ≥ flow rate ≥ 0.001m/s | ||
| Material | ABS/PPS + Chloride Sensitive Resin | ||
| Temperature Unit | PT100, PT1000, NTC10K (customizable) | ||
| Dimension | Diameter: 12mm / Length: 155mm | Diameter: 35mm / Length: 200mm | |
| Installation | Anti-twist cap or PG13.5 | 1-inch NPT | |
| Cable | Split or one-piece | ||
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Comprehensive Solutions for Water Quality Monitoring
Besides chloride ion sensors, Daruifuno offers a wide range of ion-selective electrodes, including fluoride, sodium, potassium, calcium, and nitrate sensors. These sensors can be integrated with our ion controllers for advanced display, control, and data recording functionalities.
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Contact Us
With over a decade of experience in water quality analysis, Daruifuno provides high-precision water monitoring solutions, including pH ORP analyzers, conductivity analyzers, turbidity analyzers, COD analyzers, dissolved oxygen analyzers, and chloride analyzers. If you need a reliable chloride ion sensor, contact us for more details.
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Brand:daruifunoMin. Order:Piece/PiecesModel No:ACL300Transportation:Ocean,Land,Air,ExpressPackaging:Cardboard boxesChloride ion electrodes are mainly used to measure the concentration of chloride ions in water, and are often used in water treatment, swimming pool water quality monitoring and drinking water sanitation testing and other occasions. The chloride ion...



