Technical Data
ComparepH
| Measuring Principle | Potentiometric |
| Application | Drinking water and swimming pool water, pH compensation to measure free chlorine |
| Characteristic | Standard applications in water, long lifetime |
| Measuring range | pH 1 - 12 |
| Measuring principle | Gel filled reference with one or three diaphragms, option saltring |
| Design | Shaft length 120 mm, with or w/o temperature sensor |
| Material | Glass / Ceramics |
| Dimension | Shaft length 120 mm |
| Process temperature | 0 - 80 C (32 - 176 F) |
| Process pressure | 1 - 4 bar abs (15 - 60 psi) |
| Temperature sensor | None or Pt 100 |
| Ex certification | No |
| Connection | GSA or Top 68 |
| Ingress protection | IP68 |
Field of application
Ceratex CPS31 is the analog expert for pH compensation in disinfection processes. Its three diaphragms make it suitable for minimum conductivity while its low drift guarantees stable measurement. The sensor makes sure that swimming pool water is agreeable and drinking water tasteful.
Drinking water
Swimming pool water
pH compensation for free chlorine measurement
Benefits
Reliable measurement at minimum conductivity thanks to three diaphragms
Low drift by very low level of ion depletion in electrolyte
Optional salt ring for extended operating time
pH:
| Measuring Principle | Potentiometric | |
| Application | Drinking water and swimming pool water, pH compensation to measure free chlorine | |
| Characteristic | Standard applications in water, long lifetime | |
| Measuring range | pH 1 - 12 | |
| Measuring principle | Gel filled reference with one or three diaphragms, option saltring | |
| Design | Shaft length 120 mm, with or w/o temperature sensor | |
| Material | Glass / Ceramics | |
| Dimension | Shaft length 120 mm | |
| Process temperature | 0 - 80 C (32 - 176 F) | |
| Process pressure | 1 - 4 bar abs (15 - 60 psi) | |
| Temperature sensor | None or Pt 100 | |
| Ex certification | No | |
| Connection | GSA or Top 68 | |
| Ingress protection | IP68 | |
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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