Technical Data
CompareConductivity
| Measuring Principle | Inductive |
| Application | Waste water, process |
| Characteristic | Inductive conductivity cell made of highly resistant material for conductivity and concentration neasurements in process applications. |
| Measuring range | 2µS/cm - 2000 mS/cm |
| Measuring principle | Inductive conductivity measurement |
| Design | - No direct contact with the media because of the sensor coating made of highly resistant material. |
| Material | PEEK or PFA |
| Dimension | Electrode: outside diameter: appr. 47 mm inside diameter: appr. 15 mm |
| Process temperature | max. 180°C (PEEK) (356°F)max. 125°C (PFA) (254°F) |
| Process pressure | max. 20 bar (PEEK) (290 psi) max. 16 bar (PFA) (233 psi) |
| Temperature sensor | Integrated Pt100 |
| Ex certification | ATEX |
| Connection | Process connection: NPT1", DN50, AINSI, JIScable: fixed cable connection. |
| Ingress protection | IP67 |
| Certificates, declarations and approvals | Calibration certification of the cell constant. |
The Indumax CLS50 is an inductive conductivity sensor used in standard, hazardous and high-temperature measurement applications. Made of robust materials (PFA, PEEK), it is resistant to chemical corrosion, durable and insensitive to contamination, and can be used for the reliable measurement of highly corrosive media with good repeatability. The temperature measuring range extends to -20...+180 °C.
Advantages
Durable, chemical-resistant, suitable for measurements under harsh operating conditions
Contamination-resistant materials prevent contamination
Wide temperature measuring range and corrosion-resistant materials make the sensor highly versatile
Robust design for long service life
Explosion protection approval
Areas of application
The Indumax CLS50 measures toroidal conductivity and is suitable for the following industries:
Chemical industry: - acid and alkali concentration measurement
- Quality monitoring of chemicals in tanks and pipes
Food&beverage industry:
- Phase separation between medium/medium mixtures in piping systems
Wastewater treatment plants:
- Inlet monitoring
Various explosion protection approvals such as ATEX, FM, CSA, NEPSI, suitable for explosive hazardous areas
Spare Parts & Accessories 20
20 spare parts · click to collapse
| Order code | Description | |
|---|---|---|
| 51500482 | CLS50 PTFE gasketContents: 2 pcs. PTFE gaskets, 1 pcs. 3/4" nut Max clamping torque of 20 Nm | Details |
| 71086368 | CLS50 CHEMRAZ O-ring | Details |
| 51500481 | washer | Details |
| 71086369 | Kit CLS50 >20081001: VITON O-ring | Details |
| 51500483 | ***CLS50 PTFE DN50 Gasket | Details |
| 71086372 | PTFE sealing ring CLS50 DN50 | Details |
| 51500484 | washer | Details |
| 71086374 | Kit CLS50 ANSI+JIS >20081001: PTFE gasket | Details |
| 51500525 | CLS50 DN50 SS flange | Details |
| 51500527 | flange | Details |
| 51500934 | flange | Details |
| 51500935 | flange | Details |
| 51500936 | flange | Details |
| 51500937 | flange | Details |
| 51500753 | Cable accessories CLS50/52 | Details |
| 50081902 | Calibration solution 74.0 µS/cm500 ml, reference temperature 25oC. Precision solution referred to SRM of NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO | Details |
| 50081903 | calibration solution500 ml, reference temperature 25oC. Precision solution referred to SRM of NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO. | Details |
| 50081904 | Calibration solution 1.406 mS/cm500 ml, reference temperature 25oC. Precision solution referred to SRM of NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO | Details |
| 50081905 | calibration solution500 ml, reference temperature 25oC. Precision solution referred to SRM to NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO | Details |
| 50081906 | calibration solution500 ml, reference temperature 25oC. Precision solution referred to SRM of NIST. With temp. table for qualified calibration of conductivity measuring systems acc. to ISO | Details |
Configurator / Comparison
A
Measuring principle video
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Measuring principle video
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Manuals & Documents 4
All documents for this modelCase Studies
Municipal Wastewater Treatment · conductivity — Application Case
Customer Profile
The typical setting in Municipal Wastewater Treatment is the inlet, biological and outlet stages of a municipal plant. The measuring point is conductivity; the focus is measuring conductivity to judge water purity or chemical concentration.
Key Difficulties
Conditions are high solids and corrosive fractions, with large diurnal flow swings and, on top of that, effluent parameters drift and probes foul with sludge and biofilm, which a standard configuration cannot handle for long. The design therefore starts with choosing two- or four-electrode cells by range and corrosivity.
Implementation
The scope ran through the analyser range: selecting as part of a complete water-analysis system. Technically it hinges on choosing two- or four-electrode cells by range and corrosivity, and on these requirements: stable compliance with Grade 1A discharge limits and online data reporting.
Customer Benefit
In practice this means stable concentration control and less reagent and discharge waste, which cut the workload on the site maintenance team.
Food & Beverage · conductivity — Application Case
Project Background
The project covers dosing, pasteurising, filling and CIP stages. The work centres on conductivity and the core task is measuring conductivity to judge water purity or chemical concentration.
Operating Challenges
The medium and duty are characterised by syrups, dairy and beverages that scale easily, under strict hygienic requirements, and frequent cleaning demands instruments that withstand hot CIP/SIP caustic cycles. So conductivity cannot be specified generically — it calls for choosing two- or four-electrode cells by range and corrosivity.
Solution
The Ainstru engineering team worked through the analyser range: selecting as part of a complete water-analysis system. The configuration involves choosing two- or four-electrode cells by range and corrosivity, with these requirements in view: food-safety and hygienic design per 3-A / EHEDG.
Results
Since start-up the system has run steadily; the practical result is stable concentration control and less reagent and discharge waste.
Chemical & Pharmaceutical · conductivity — Application Case
Project Overview
The site is reactors, metering vessels and finished-product tanks. The customer wanted conductivity properly configured on the existing plant, with the aim of measuring conductivity to judge water purity or chemical concentration.
Technical Challenges
What actually causes trouble is highly corrosive media with solvents and crystallisation, partly in explosive atmospheres, and corrosion plus Ex protection shortens instrument life and makes downtime costly. All of this means the conductivity configuration has to involve choosing two- or four-electrode cells by range and corrosivity.
Configuration
Supply and installation were organised through the analyser range: selecting as part of a complete water-analysis system. On site this meant choosing two- or four-electrode cells by range and corrosivity, checked line by line against: Ex certification and GMP traceability of records.
Performance
After commissioning the outcome is stable concentration control and less reagent and discharge waste, and the readings are now used for process tuning.
Power & Energy · conductivity — Application Case
Site Conditions
This is a Power & Energy customer whose plant is at boiler feedwater, turbine condensate and FGD/DeNOx systems. The main task was measuring conductivity to judge water purity or chemical concentration.
The Problem
The difficulty lies in high temperature and pressure with both steam and saline water; at the same time drift under high temperature and pressure, with very costly unplanned outages. Specification therefore means choosing two- or four-electrode cells by range and corrosivity.
What We Did
We took a analyser range approach — selecting as part of a complete water-analysis system. Delivery was built around choosing two- or four-electrode cells by range and corrosivity, with point-by-point checks on: compliance with power-industry codes and unit availability targets.
Operating Outcome
In service the system performs as intended — stable concentration control and less reagent and discharge waste, with routine maintenance falling noticeably.
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