Condumax CLS21D
Technical Data
CompareConductivity
| Measuring Principle | |
| Application | Water, waste water, process, media separation, industrial water |
| Characteristic | 2-electrode system for application in the middle application range |
| Measuring range | k=1: 10 µS/cm to 20 mS/cm |
| Measuring principle | Conductive conductivity cell with graphite electrodes for applications in the middle range |
| Design | 2-electrode system with parallel arranged electrodes |
| Material | Sensor shaft: PES Electrodes: graphite |
| Dimension | Diameter: 24 mm (0.94 inch) Length: 61 mm (2.40 inch) |
| Process temperature | -20 to 135 °C at 3.5 bar abs (-4 to 275 °F at 50 psi) |
| Process pressure | 17 bar abs at 20 °C (246 psi at 68 °F) |
| Temperature sensor | NTC 30K |
| Ex certification | ATEX, NEPSI, EAC |
| Connection | Process connection: DN25, DN40, G1, NPT 1" Cable: Memosens connector CYK10 |
| Ingress protection | IP68 (connector) |
For the same analog range, use CLS21; for low-range analog measurement of pure water, use CLS19; for digital, use CLS15D.
Condumax CLS21D is a robust conductivity sensor suitable for all process and environmental industries. It provides accurate and reliable measured values to optimize process and product quality monitoring. Even better, the sensor has extremely high chemical, thermal and mechanical stability and is robust. Based on Memosens digital technology, CLS21D achieves maximum process and data integrity through simple operation, is corrosion-resistant, moisture-proof and enables predictive maintenance.
Benefits
Reliable and accurate measurement in medium/high conductivity applications
Robust with low maintenance requirements
High chemical, thermal and mechanical stability
Quality certificate with independent cell constant specification
Sensor-specific parameters are recorded for traceability and predictive maintenance
Maximum process safety through non-contact inductive signal transmission
Application
Condumax CLS21D is used for conductivity measurement in the process and environmental industries, such as:
Drinking water treatment
Desalination plants
Industrial water treatment
River/lake water monitoring
Phase separation in medium conductivity applications (e.g. milk/water)
With various international explosion protection approvals, such as ATEX, FM, CSA and NEPSI, this digital sensor is suitable for hazardous areas
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Technical Documentation
Technical Specifications
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Measuring Principle Video
Source:Endress+Hauserwebsite public information
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Conductivity 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 Conductivity.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Conductivity 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 · Conductivity 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 Conductivity.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Conductivity 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 · Conductivity 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 Conductivity.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Conductivity 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 · Conductivity 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 Conductivity.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Conductivity 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.
