Technical Data
CompareDisinfection
| Measuring Principle | Free chlorine |
| Application | Drinking water - to ensure reliable disinfection Process water - wide range of application due to large measuring range Food - to secure absence/presence of free chlorine Pool water -efficient dosing thanks to precise measurement |
| Characteristic | Amperometric measurement of dissolved free chlorine |
| Measuring range | Trace: 0 to 5 mg/l HOCl Standard: 0 to 20 mg/l HOCl |
| Measuring method | - Closed, membrane covered measuring cell - Reduction of free chlorine at the cathode |
| Design | Closed amperometric 2-electrode measuring cell with PVDF membrane |
| Material | Sensor shaft: POM Membrane: PVDF Membrane cap: PVDF |
| Dimension | Diameter: 25 mm (0.98 in) Length: 161 mm (6.34 in) |
| Process temperature | +0 to 55 °C (32 to 130°F), non-freezing |
| Process pressure | 1 bar (14.5 psi) |
| Temperature sensor | 10k NTC |
| Connection | analog with fixed cable |
The CCS51 free chlorine sensor is robust and low-maintenance. The sensor performs highly accurate measurement with high long-term stability in drinking water, pool water and process water; it can also reliably monitor the disinfection process even under low-flow conditions. The analog free chlorine sensor has a short response time, ensuring efficient process control and process safety. The CCS51 analog free chlorine sensor provides continuous measured values at the measuring point.
Benefits
Short response time (t90 < 25 seconds) with highly accurate display of the process status, enabling timely action in response to process changes and efficient process control.
Higher process safety: precise, long-term stable measurement enables permanent process monitoring and flexible adjustment of the disinfectant concentration as required.
The fluorescence sensor is low-maintenance and significantly reduces the operating costs of the measuring point compared with colorimetric measuring systems.
Used together with the Liquisys chlorine transmitter, it provides continuous analog free chlorine measured values at the measuring point.
Applications
The CCS51 free chlorine sensor meets the requirements of skid manufacturers and end users. It reliably measures:
Drinking water: ensuring reliable disinfection
Food: ensuring food safety with hygienic bagged and bottled packaging
Utilities: detecting the presence of free chlorine
Pool water: efficient disinfectant dosing
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Technical documentation
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Measurement principle video
Source: Endress+Hauserpublic information from the website
Related Models
| Model | Name |
|---|---|
| CCS51-AA11AD01 | 模拟式余氯传感器 |
| CCS51-AA11AD01+NA | 模拟式余氯传感器 |
| CCS51-AA11AD01+NC | 模拟式余氯传感器 |
| CCS51-AA11AD01+ND | 模拟式余氯传感器 |
| CCS51-AA11AD03 | 模拟式余氯传感器 |
| CCS51-AA11AD03+NA | 模拟式余氯传感器 |
| CCS51-AA11AD03+NB | 模拟式余氯传感器 |
| CCS51-AA11AD03+NC | 模拟式余氯传感器 |
| CCS51-AA11AD03+ND | 模拟式余氯传感器 |
| CCS51-AA11BF01 | 模拟式余氯传感器 |
| CCS51-AA11BF01+NA | 模拟式余氯传感器 |
| CCS51-AA11BF01+NB | 模拟式余氯传感器 |
| CCS51-AA11BF01+NC | 模拟式余氯传感器 |
| CCS51-AA11BF01+ND | 模拟式余氯传感器 |
| CCS51-AA11BF03 | 模拟式余氯传感器 |
| CCS51-AA11BF03+NA | 模拟式余氯传感器 |
| CCS51-AA11BF03+NB | 模拟式余氯传感器 |
| CCS51-AA11BF03+NC | 模拟式余氯传感器 |
| CCS51-AA11BF03+ND | 模拟式余氯传感器 |
Case Studies
市政污水处理污水处理厂 · 消毒应用案例
项目背景
市政污水处理客户在污水处理厂环节,长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移,影响达标排放」的困扰,对消毒的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况,为客户选配了适配的消毒,并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升,数据稳定可靠;
- 仪表适应市政污水处理复杂工况,维护量大幅降低;
- 助力客户实现连续在线监测与降本增效,获得客户高度认可。
食品饮料食品生产线 · 消毒应用案例
项目背景
食品饮料客户在食品生产线环节,长期面临「卫生级测量要求高,在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰,对消毒的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况,为客户选配了适配的消毒,并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升,数据稳定可靠;
- 仪表适应食品饮料复杂工况,维护量大幅降低;
- 助力客户实现连续在线监测与降本增效,获得客户高度认可。
化工制药反应釜与储罐 · 消毒应用案例
项目背景
化工制药客户在反应釜与储罐环节,长期面临「介质腐蚀性强、工况复杂,仪表需耐腐蚀且防爆」的困扰,对消毒的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况,为客户选配了适配的消毒,并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升,数据稳定可靠;
- 仪表适应化工制药复杂工况,维护量大幅降低;
- 助力客户实现连续在线监测与降本增效,获得客户高度认可。
电力能源电厂锅炉与汽机 · 消毒应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节,长期面临「高温高压工况下测量不稳定,维护停机成本高」的困扰,对消毒的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况,为客户选配了适配的消毒,并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升,数据稳定可靠;
- 仪表适应电力能源复杂工况,维护量大幅降低;
- 助力客户实现连续在线监测与降本增效,获得客户高度认可。







