Technical Data
ComparepH
| Measuring Principle | |
| Application | Hygienic and sterile applications, food industry, pharmaceutical industry, biotechnology |
| Characteristic | Sterilizable and autoclavable ISFET sensor for the pH measurement Analog or digital sensors with Memosens technology |
| Measuring range | pH 0 to 14 |
| Measuring principle | Ceramic diaphragm, double chamber reference, double gel |
| Design | All shaft lengths with temperature sensor Advanced gel technology |
| Material | PEEK, Ceramics und EPDM |
| Dimension | Diameter: 12 mm (0.47 inch) Shaft lengths: 120, 225, 360 and 425 mm (4.72, 8.86, 14.2 and 16.7 inch) |
| Process temperature | –15 to 135 °C (5 to 275 °F) |
| Process pressure | Max. 10 bar at 100 °C (Max. 145 psi at 212 °F) |
| Temperature sensor | Pt1000 |
| Ex certification | ATEX, FM, CSA |
| Connection | Contactless, inductive, digital connection head with Memosens technology |
| Ingress protection | IP68 |
Field of application
Ceragel CPS71D is the digital specialist for demanding processes and hygienic applications. Its contamination-resistant gel guarantees stable measurement even in flowing media or low conductivity. The sensor measures reliably at high temperatures and is non-toxic assuring highest safety. Ceragel CPS71D is not the latest Memosens generation. To get information on the new Memosens sensors with extended functionality, click CPS71E for chemical applications and CPS61E for hygienic applications.
Process technology and monitoring of processes with:
- Quickly changing pH values
- High proportion of electrode poisons such as H2S
Chemical industry
Hygienic and sterile applications:
- Fermenters
- Biotechnology
- Life sciences
With ATEX, FM, and CSA approval for application in hazardous areas
Benefits
Sensor resists strong acids and bases and high organic loads
Suitable for CIP/SIP and autoclaving maintaining high accuracy
Free from animal-based materials and from acrylamide
Maximum process safety through non-contact inductive signal transmission
Enables predictive maintenance due to storage of sensor and process-specific data
Reduced operating costs thanks to minimized process downtime and extended sensor lifetime
pH:
| Measuring Principle | Potentiometric | |
| Application | Aggressive chemical and hygienic applications, process | |
| Characteristic | Analog, digital pH single-rod measuring cells For chemical process, hygienic and sterile applications with an ion trap for poison-resistant reference |
|
| Measuring range | pH 0 to 14 | |
| Measuring principle | Ceramic diaphragm, ion-trap | |
| Design | All shaft lengths with temperature sensor Advanced gel technology Digital electrode with Memosens technology |
|
| Material | Glass and ceramic | |
| Dimension | Diameter: 12 mm (0.47 inch) Shaft lengths: 120, 225, 360 and 425 mm (4.72, 8.86, 14.2 and 16.7 inch) |
|
| Process temperature | 0 to 140 °C (32 to 284 °F) | |
| Process pressure | 1 to 14 bar (15 to 203 psi) | |
| Temperature sensor | NTC 30k | |
| Ex certification | ATEX, FM, CSA | |
| Connection | Inductive, digital connection head with Memosens technology | |
| Ingress protection | IP68 | |
| Additional certifications | 3A, biocompatibility | |
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · pH 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 pH.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable pH 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 · pH 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 pH.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable pH 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 · pH 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 pH.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable pH 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 · pH 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 pH.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable pH 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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