Technical Data
CompareDisinfection
| Measuring Principle | Free chlorine |
| Application | Water, Waste water, pools |
| Characteristic | Amperometric measurement of free chlorine. |
| Measuring range | 0,05 - 20ppm free chlorine; pH 4-8,2 |
| Measuring principle | - closed (membrane covered) measuring cell. - Reduction of Hypochloric acid (HOCl) to Chlorid on the cathode with a fixed voltage of 20mV. |
| Design | Closed amperometric 2-electrode sensor with PTFE-membrane. |
| Material | Sensor shaft : PVC Membrane : PTFE Membrane cap : PBT (GF30); PVDF |
| Dimension | Diameter : appr. 25mm Length : 160mm |
| Process temperature | 10°C - 45°C |
| Process pressure | 0bar - 1bar |
| Temperature sensor | Optional with NTC-temperature sensor |
| Connection | Fixed cable connection |
The CCS140 analog sensor is used for standard measurement of free chlorine. Even when flow or conductivity fluctuates, it transmits reliable measured values, controls the disinfection loop and ensures bacteria-free water. Long calibration and maintenance intervals also reduce maintenance costs.
Benefits
Recalibration interval of about 1-4 months under constant operating conditions
Pre-fitted membrane cap for easy membrane replacement
Measured value unaffected by fluctuations in medium conductivity
Measurement is independent of flow at flow rates above 30 l/h
No zero-point calibration required. There is also no need to install complex activated carbon filters as with open free chlorine sensors
Application areas
The CCS140 measures free chlorine in the following areas:
Industrial process water
- Process applications such as bottle washing machines
Wastewater treatment plant
- Reuse of treated wastewater
Utilities
- Disinfection of all measuring points
Swimming pool water
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Source: public information from the Endress+Hauser website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Disinfection Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Disinfection.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Disinfection for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Disinfection Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Disinfection.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Disinfection for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Disinfection Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Disinfection.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Disinfection for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Disinfection Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Disinfection.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Disinfection for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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