Measuring range0 to 5 mg/l total chlorine or 0 to 20 mg/l total chlorine
Process temperature0 to 55 °C , non-freezing (32 to 130 °F)
Process pressure1 bar relative (14,5 psi relativ) Max. 2 bar (max. 29 psi)
Measuring methodTotal chlorine consists of free chlorine (HOCl, OCl-) and bound chlorine (chloramines) All components are reduced at the working electrode Almost pH independent
Process temperature+0 to 45 °C (32 to 110 °F), non freezing
Process pressure1 bar (14.5 psi), 2 bar (29 psi) absolute
Measuring method- closed 2 electrode system - conversion of ozone into a signal current in nA - signal current is proportional to the concentration of ozone - the measurement is not pH dependent
Monteer de oplossing, sluit deze aan op voeding en water, en u bent operationeel.
Eenvoudig en veilig
De Memosens-sensoren voor vrij chloor en pH zijn vooraf gekalibreerd en klaar voor gebruik. De contactloze, inductieve signaaloverdracht elimineert alle problemen die het gevolg zijn van vocht, temperatuur of EMC-storingen.
Betrouwbare medium flow en meting
De Flowfit CYA27-armatuur met geïntegreerde flowbewaking zorgt ervoor dat uw meting altijd operationeel is.
Flexibiliteit voor toekomstige eisen
Het modulaire ontwerp van de armatuur biedt de optimale flexibiliteit voor het upgraden van uw meetpunten met opgeloste zuurstof, ORP of geleidbaarheid tot 6 variabelen, voor een perfecte aanpassing aan uw proceseisen.
Bromine and chlorine sensors and transmitters
Our product finder helps you to search for suitable measuring devices, software or system components via product characteristics. Applicator leads you through an individual product selection via application parameters.
About disinfection and chlorine sensors and transmitters
Systematic disinfection is an essential step in water treatment and legally required in many areas to protect people and systems. However, high doses of disinfectants can be toxic. Our sensors for free chlorine, chlorine dioxide, total chlorine and free bromine monitor drinking water, process and reuse water, pool water or seawater to ensure regulation-compliant disinfection. Click the button below to find out how our disinfection sensors and transmitters can support also your application.
The selection of our bromine and chlorine sensors and transmitters depends on the application:
Free chlorine is the most important disinfectant in water treatment due to its easy handling and strong disinfecting effect. Free chlorine sensors are applied in:
Drinking water - to ensure sufficient disinfection
Food - to provide hygienic bottling and packaging
Pool water - to dose disinfectant efficiently
Chlorine dioxide is more and more becoming a disinfectant of choice since it is less corrosive and independent from the pH value. Chlorine dioxide sensors are applied in:
Cooling systems or towers
Drinking water
Wash water for packed vegetables
Desalination plants to prevent ClO2 from disturbing reverse osmosis
Total chlorine is a good indicator of residual disinfectants in discharge water. The sensors are used in WWTPs:
To measure the effluent water's disinfection status.
To control reuse of water
Free bromine is often used in applications with seawater because of the unique chemical properties of this medium. Free bromine sensors are applied in:
Seawater reuse and process water
Desalination plants
Fish farming
Cooling systems characterized by high pH values
Thermal spas
Ozone is frequently used for pretreatment and disinfection in the water treatment process because of its efficiency. Ozone sensors are applied in:
Wastewater
Drinking water
Process water
Amperometric measuring principle
Sensors for chlorine dioxide measurement feature a working electrode, which is separated from the medium by a thin membrane. Chlorine dioxide coming from the medium diffuses through this membrane and is reduced at the working electrode. The circuit is completed by means of the counter electrode and the electrolyte. The electron reduction at the working electrode is proportional to the concentration of chlorine dioxide in the medium. This process works in a wide pH and temperature range.
Measuring free available chlorine is similar. Here, hypochlorous acid diffuses through the membrane and produces a reaction. The presence of hypochlorous acid in the medium depends on the pH value. This dependency is compensated by means of pH measurement in the flow assembly and balancing in the transmitter.
Measuring free bromine works very similar to free chlorine measurement but is possible in a more alkaline range.
For the measurement of total chlorine, hypochlorous acid and additionally chloramines play a role in a complex system of reactions.
Benefits
With us you get the full range of instruments for water disinfection monitoring: free chlorine sensors, total chlorine sensors, chlorine dioxide sensors and free bromine sensors with matching transmitters and accessories.
Our chlorine sensors and transmitters and bromine sensors meet all requirements from basic functionality up to multichannel and multiparameter measurement.
To provide you with full flexibility, our chlorine probes and bromine probes are designed both for use in channels and basins as well as for installation in flow assemblies.
Check out our ready-to-use disinfection monitoring panels. They come fully equipped with sensor, transmitter, assembly, filter, check valve, sampling tab, etc. and provide you with a complete and compact measuring point.
Disinfection applications in waterworks and sewage plants
These benefits help to optimize disinfectant dosing and and the effort in installation, operation and maintenance in the water and wastewater industry. Find out how this is put into practice in applications, such as ozonization in waterworks or chlorine monitoring in effluents.
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