PH电极
Technical Data
ComparepH
| Measuring Principle | |
| Application | Drinking water and swimming pool water, pH compensation for measuring free chlorine |
| Characteristic | Standard applications in water, long lifetime |
| Measuring range | pH 1 to 12 |
| Measuring principle | Gel filled reference with one or three diaphragms, optional saltring |
| Design | Shaft with temperature sensor |
| Material | Glass and Ceramic |
| Dimension | Diameter: 12 mm (0.47 inch) Shaft length: 120 mm (4.70 inch) |
| Process temperature | 0 to 80 °C (32 to 176 °F) |
| Process pressure | 1 to 4 bar (15 to 60 psi) |
| Temperature sensor | NTC 30k |
| Ex certification | None |
| Connection | Memosens plug-in head for digital, non-contact data transmission |
| Ingress protection | IP68 |
Memosens CPS31D is a digital electrode designed specifically for pH compensation in disinfection processes. With three ceramic diaphragms, it is suitable for measuring media with the lowest conductivity, features low drift and ensures stable measurement, thereby guaranteeing compliant swimming pool water and drinking water that meets potable-water standards. Thanks to Memosens digital technology, CPS31D offers maximum process and data integrity combined with simple operation. The electrode is corrosion-resistant and moisture-proof and can be calibrated in the laboratory and pre-maintained.
Benefits
Three-diaphragm design ensures reliable measurement in media with the lowest conductivity
Low drift and very low electrolyte ion consumption
Optional salt ring for a longer service life
Non-contact inductive signal transmission ensures maximum process safety
Sensor characteristic data are stored, enabling predictive maintenance
Reduced process downtime, longer sensor service life and lower operating costs
Common models: CPS31D-7AC21
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Technical Documentation
Technical Specifications
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Measuring Principle Video
Source:Endress+Hauserwebsite public information
Related Models
| Model | Name |
|---|---|
| CPS31D-7AC21 | pH电极 |
Case Studies
市政污水处理污水处理厂 · PH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PH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PH，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 · PH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PH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PH，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 · PH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PH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PH，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 · PH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PH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PH，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。
