Online Residual Chlorine Electrode

Lohand Biological online residual chlorine electrode consists of cathode and anode,cathode is gold electrode,anode is silver/silver chloride electrode,cathode and anode are immersed in electrolyte chamber filled with electrolyte,through film and measurement environment isolation,film can prevent electrolyte leakage or contaminant infiltration,but hypochlorous acid can pass through the film,the measured hypochlorous acid concentration and the measured current proportional relationship,through pH compensation,to obtain the residual chlorine concentration.
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Product Details

online residual chlorine electrode

online residual chlorine electrode

online residual chlorine electrode

Chlorine: There are many easy ways to test residual chlorine, including test strips, color disks, and even kits designed for testing swimming pools. Portable digital meters also exist that can provide reliable, quantitative measurements.

online residual chlorine electrode

Chlorine is a chemical element with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity on the Pauling scale, behind only oxygen and fluorine.

online residual chlorine electrode


Measuring range


Lower limit


Ph range





0.05mg/L or 5% larger as the standard

Respinse time


Velocity of flow


online residual chlorine electrode

During the COVID-19 outbreak in China, as an expert in water testing area,Lohand supplies thousands of residual chlorine analyzers to the customers, especially for medical institutions.  

Product Name

Quantity Sold

Residual Chlorine Test Strip 0-10ppm


Residual Chlorine Analyzer 0-10ppm


Residual Chlorine Kit


online residual chlorine electrode

Since our founding in 2008, we've led the industry in developing innovative solutions to help you manage your water more efficiently and accurately.across a wide array of industrial facilities. From municipal waste water and drinking water plants to industries such as food and beverage, power generation, chemical manufacturing, and dozens more.Valuing ease-of-use, accuracy, and reliability, we craft our portfolio of solutions around the unique regulatory and operational challenges your facility faces—placing engineers and plant managers at the forefront of every design and innovation.Lohand has expertise and solutions to help you. This includes lab instrumentation, in-line process solutions, and Real-Time Control Systems, as well as a corps of service and training professionals to keep you up and running at maximum efficiency.

online residual chlorine electrode


Purpose of measurement

Used to measure sea water and control the salinity of water from fisheries and fish farms, natural sea water for aquariums, artificial sea water, and the salt water used for fish storage.

An effective tool at Aquaculture Cooperative Associations or in Aquaculture Research institutes

Drinking water

Purpose of measurement

Nothing is more important than your health and that of your family and visitors. If you use your own water source for drinking, you need to have it tested every so often. You don’t want to be responsible for anyone getting sick by drinking your water.

Fruit juice

Purpose of measurement

Helping the grower to determine the best time for harvest

Adjust the amount of water and fertilizer in the soil by monitoring the sugar content of growing plants

Ensure that consumers can have the very best tasting fruits

The consumer will know the quality of the products they are going to purchase

Swimming pool water

Purpose of measurement

Regular pool water testing and maintenance of the chemicals are essential for ensuring a safe, comfortable swimming environment and preserving the longevity of pool finishes and equipment. 

Failure to monitor and maintain water quality can lead to damage or deterioration to the pool features, materials, and equipment. Above all, it can cause water conditions that may harm swimmers and cause a variety of illnesses.

Industrial waste 

Purpose of measurement

Wastewater discharges from industrial may contain pollutants at levels that could affect the quality of receiving waters or interfere with publicly owned treatment works (POTWs) that receive those discharges.


Purpose of measurement

Tons of instruments used in laboratory every single day. Lohand provide reliable and robust products with competitive price. 

Online Residual Chlorine Electrode

ADD: Zhejiang Hangzhou Jianggan 4F, Bldg 7, No.63, Jiuhuan Rd, Jiubao Town, Jianggan Dist
TEL: +86-571-85050999
MOBILE: +8613123950066



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