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Liquid Analysis

Liquid Analysis

Comprehensive product range for all analytical parameters

Environmental protection, consistent product quality, process optimization and safety –​ just a few reasons why liquid analysis is becoming increasingly essential. Liquids such as water, beverages, dairy products, chemicals and pharmaceuticals have to be analyzed day in and day out. We support you in fulfilling all these measuring tasks with application know-how and cutting-edge technologies. Discover our comprehensive portfolio and choose the product best suited to your process needs.

pH sensors and transmitters

Products for high-quality pH measurement in all industries

More than 30% of all quality-relevant measurements in processes are pH measurements. That's why reliable pH sensors & transmitters are extremely important for plant optimization and process safety. We offer an extensive portfolio for all conditions, such as stable processes, fast changing media compositions, sticky media, hazardous areas or hygienic applications. Discover our ISFET, enamel or glass pH sensors, transmitters, assemblies and calibration solutions by clicking on the button below.

ORP sensors and transmitters

Products for effective ORP measurement in all industries

Reliable ORP sensors and transmitters provide trend information on the disinfection ability in drinking water or swimming pools, aeration control in wastewater treatment plants and the detoxification of electroplating baths or flue gas scrubbing. We offer an extensive portfolio for standard or hygienic applications and hazardous areas. Learn more about our ORP sensors, transmitters, assemblies and calibration solutions by clicking on the button below.

Conductivity sensors and transmitters

Products for high precision conductivity measurement in all industries

In many applications conductivity is crucial for process control, product monitoring, water monitoring, or leakage detection. We provide reliable and accurate instruments for all measurement ranges and conditions, such as ultrapure water, CIP cycles, hazardous areas or hygienic processes. Check out our broad offering of conductive and toroidal conductivity sensors, transmitters and helpful calibration tools by clicking on the button below.

Oxygen sensors and transmitters

Products for high accuracy oxygen measurement in all industries

The measurement of dissolved oxygen is essential for quality assurance and process control in numerous applications such as aeration control, fermentation or inertization. We provide instruments for reliable and accurate oxygen analysis over all measurement ranges from oxygen traces to high oxygen concentrations and for all conditions such as hazardous areas or hygienic processes. Check out our broad offering of dissolved oxygen sensors and transmitters by clicking on the button below.

Turbidity sensors and transmitters

Products for reliable turbidity and total solids / suspended solids measurement in all industries

Turbidity measurement is essential for quality assurance and process control in a wide variety of applications such as drinking water production, effluent monitoring and sludge concentration measurement in wastewater treatment plants, monitoring of seawater inlets in desalination projects or product loss detection in dairies. Learn how our sensors for total and suspended solids and our turbidity sensors and transmitters can also support your application by clicking on the button below.

Chlorine sensors and transmitters

Products for reliable measurement of chlorine, total chlorine and chlorine dioxide

Free chlorine, chlorine dioxide or total chlorine (incl. chloramines) are usually measured to monitor and control the disinfection of drinking water, reuse water or pool water. Our sensors are therefore applied in waterworks, cooling towers, bottle cleaning facilities, etc., where they ensure a smooth water treatment compliant to legal limits. Learn how our chlorine, chlorine dioxide and total chlorine sensors and transmitters can support also your application by clicking on the button below.

Nutrient analyzers and sensors

Products for high-precision analysis of ammonium, nitrate, nitrite, phosphate and total phosphorus

Nutrient analyzers and sensors control outlets of wastewater treatment plants to ensure regulatory compliance and minimize discharge fees. They help optimize aeration control and precipitant dosing during biological treatment of wastewater, and monitor denitrification processes to support you in supplying safe drinking water, mineral water and process water. To learn more about our colorimetric analyzers, optical sensors and ion-selective electrodes for nutrient analysis click the button below.

Benefits

  • Our nutrient analyzers and sensors meet all requirements from fast inline measurement to regulation-compliant online analysis.

  • Our analyzers use standard colorimetric methods comparable to lab measurements:
    - Ammonia reagents: indophenol blue method
    - Phosphate reagents: molybdenum blue method or vanadate molybdate (yellow) method
    - Nitrite reagents: naphthylamine method

  • All reagents are supplied ready-to-prepare to ensure sufficient shelf life. They are delivered complete with the required material safety data sheets (MSDS).

  • Our sample conditioning systems ensure reliable sample preparation in all stages of wastewater treatment. They feature automatic backflush with air, water or cleaner.

  • With our Liquiline System CA80 analyzers, you can connect up to four additional Memosens sensors to get a more detailed process overview without the need for additional measuring devices.

Sludge level sensors and transmitters

Products for reliable sludge level measurement in sedimentation tanks

Sludge level sensors and transmitters help you to pump sludge, not water. They continuously monitor the separation and transition zones of the clarification and settling phases, so that you can operate your process efficiently. Typical installations are at the primary and secondary clarifier of wastewater treatment plants to measure sludge level / sludge blanket level. Check out our sludge level sensor and transmitter portfolio for your sedimentation tanks by clicking on the button below.

Automatic water samplers

Products for mobile and stationary sampling of water, wastewater, stormwater and surface water

There are many reasons for sampling water or wastewater. Often it is a legal requirement, but it helps also to protect surface water, to monitor wastewater treatment processes or to identify dischargers into a sewage system. Our automatic water samplers are the smart and proven way of sampling. The fully automated systems take samples for industrial and municipal wastewater treatment plants, water management authorities and all industrial customers where reliable water sampling is key.

Process photometers

Products for inline measurement of UV absorption and NIR / VIS absorption in all industries

Process photometers for UV absorption, NIR and VIS provide precise and compliant inline concentration, color and turbidity measurement. Thanks to their hygienic design, they are ideally suited for chromatography, fermentation, filtration, phase separation and crystallization. Their high temperature and pressure stability also ensure safe application in condensate monitoring or leak detection of heat exchangers. To check out our broad portfolio of process photometers, click the button below.