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
Municipal Wastewater Treatment — Wastewater Treatment Plant · EH-Lab 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 EH-Lab.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable EH-Lab 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 · EH-Lab 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 EH-Lab.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable EH-Lab 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 · EH-Lab 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 EH-Lab.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable EH-Lab 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 · EH-Lab 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 EH-Lab.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable EH-Lab 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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