Technical Data
ComparepH
| Measuring Principle | Potentiometric |
| Application | Measurements in low-conductivity media, such as boiler feedwater, pure and ultrapure water |
| Characteristic | Digital Memosens 2.0 compact gel pH glass sensor for laboratory measurements and random sampling Reference system with salt storage for drift-free measurement in low-conductivity media |
| Measuring range | pH 0 to 14 (1 to 12 application range) |
| Material | Glass |
| Dimension | Diameter: 12 mm (0.47 inch) Shaft length: 120 mm (4.72 inch) |
| Process temperature | –5 to 100 °C (23 to 212 °F) (0 to 80 °C (32 to 176 °F) application range) |
| Process pressure | 1 bar, not intended for continues measurment in process |
| Temperature sensor | NTC 30kΩ |
| Connection | Inductive, digital connection head with Memosens 2.0 technology |
| Input | IP68 |
The pH sensor Memosens CPL57E is designed specifically for pure water applications in all types of industries. The glass sensor with additional salt storage provides long-term stability and ensures very accurate measured values in pure water.
Benefits
High accuracy and long-term stability of the pH electrode in pure water thanks to additional salt storage
Maintenance-free sensor, as the electrolyte does not need to be refilled
Supports quality management requirements through tamper-proof data storage (including serial number and calibration history)
Automatic temperature compensation via the integrated temperature sensor
Applications
The Memosens CPL57E is suitable for:
Checking online measuring loops
Taking sample analyses (on-site and in the laboratory)
Measuring at process points where periodic checks are recommended
In the following applications:
Boiler feed water
Pure water
Water with low ionic strength
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Source: Endress+Hauserpublic information from the website
Case Studies
市政污水处理污水处理厂 · EH-Lab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EH-Lab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EH-Lab,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 · EH-Lab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EH-Lab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EH-Lab,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 · EH-Lab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EH-Lab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EH-Lab,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 · EH-Lab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EH-Lab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EH-Lab,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。






