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Table of Contents

Overview

What is a water quality sensor?

Types of water high quality sensors

pH Sensor

ORP Sensor

Conductivity Sensor

Dissolved Oxygen (DO) Sensor

Residual Chlorine Sensor

Turbidity Sensor

Salinity Sensor

Ozone Sensor

Chemical Oxygen Demand (COD) Sensor

Ammonia Nitrogen Ion (NH3-N)Sensor

Conclusion

Overview

Water is the supply of life, human beings cannot live without water in life and production actions. The quality of ingesting water is carefully related to human well being. Water high quality monitoring and management has turn into an essential subject of modern science. Water high quality online monitoring system can accurately, well timed and comprehensively reflect the present water quality and improvement trends, to supply a scientific foundation for water treatment projects. Water high quality monitoring system sensing front-end is the water high quality sensor.
The water high quality sensors measure pH, ORP, conductivity, dissolved oxygen, residual chlorine, turbidity, salinity, BOD, COD and different water high quality parameters via numerous methods similar to chemical, physical and biological reactions of water, offering data support for researchers, observers and engineers. ไดอะแฟรม include laboratory research, environmental administration enchancment, marine water quality evaluation, hydraulic mannequin calibration, wastewater therapy, and so forth.
What is a water high quality sensor?

Water quality sensor is a common time period for quite a lot of sensors that measure PH, ORP, residual chlorine, turbidity, suspended solids, COD, BOD, conductivity, salinity, and dissolved oxygen. Water high quality doesn’t check with a particular every day parameter, it incorporates numerous parts to measure the status of water high quality.
Types of water high quality sensors

Water high quality is a general idea that covers a extensive range. Therefore, building a complete water high quality monitoring system is a fancy venture. The good news is that with these nine Apure water high quality sensors and a water high quality monitoring system, you possibly can simply construct your entire water quality monitoring system.
pH Sensor

ORP Sensor

Conductivity Sensor

Dissolved Oxygen Sensor

Residual Chlorine Sensor

Turbidity Sensor

Salinity Sensor

Ozone Sensor

COD Sensor

Ammonia Nitrogen Ion Sensor

pH Sensor

PH is an important indicator for monitoring industrial wastewater. In industrial wastewater, the variation vary of most microorganisms is pH four.5-9, and the optimum pH vary is 6.5-7.5. When the pH value is under 6.5, fungi begin to compete with bacteria. When pH reaches four.5, the bacteria will dominate in the biochemical tank and significantly affect the sludge settling. When the pH worth exceeds 9, the metabolic rate of microorganisms might be hindered.
In order to watch the PH worth of business wastewater, we generally use PH sensors. PH sensors are sensors which might be used to observe the concentration of hydrogen ions in the measured answer and convert it right into a corresponding usable output signal. It is appropriate for industrial wastewater, domestic wastewater, agriculture, aquaculture and different non-corrosive weak acidic and weak alkaline setting eventualities.
ORP Sensor

Redox potential (ORP) is a crucial indicator to measure the standard of aquaculture water, ORP value can reflect the nice or dangerous water high quality. The bigger the ORP value, the stronger the oxidation of the water physique, the smaller the worth, the stronger the discount of the water physique.
The ORP sensor is mainly used because the oxygen reduction potential of a solution. It can detect ORP information not solely in water, but in addition in soil and tradition media. Therefore, it is also a widely used sensor for steady monitoring of assorted water ORP in electrical power, chemical, environmental safety, pharmaceutical, meals and other industries. Usually, it is going to be used together with PH sensor.
Conductivity Sensor

Conductivity is the flexibility to conduct electrical current in a body of water. In water high quality monitoring, conductivity is among the necessary indicators to mirror water high quality. The larger the conductivity worth of water, the better the conductivity, the higher the TDS value in water. the TDS value represents the content material of dissolved impurities in water. the greater the TDS worth, the higher the content of impurities in water. Conversely, the smaller the impurity content material, the higher the water. Pure, the decrease the conductivity.
Conductivity sensors could be divided into electrode conductivity sensors, inductive conductivity sensors and ultrasonic conductivity sensors based on the completely different measurement principles. Electrode conductivity sensors use resistance measurement method based mostly on electrolytic conduction principle. Inductive conductivity sensors are based on the principle of electromagnetic induction to realize the measurement of liquid conductivity. Ultrasonic conductivity sensors measure conductivity primarily based on the change of ultrasonic waves in liquids, and the primary two sensors are extra widely used.
Apure sensor adopts electrode sort conductivity measurement method with built-in excessive precision sensor, excessive accuracy, conductivity measurement range between 0~20,000μS/cm, measurement error is ±1%FS, excessive sensitivity. This conductivity sensor comes with a cable linked to a transmitter that sends the sign to processing and/or recording tools.
Dissolved Oxygen (DO) Sensor

The molecular oxygen in the air dissolved in water is called dissolved oxygen. The content material of dissolved oxygen in water is carefully associated to the partial pressure of oxygen within the air and the temperature of water. Under pure circumstances, the oxygen content within the air does not change a lot, so the water temperature is the main factor, the lower the water temperature, the higher the dissolved oxygen content in the water. The molecular oxygen dissolved in water is called dissolved oxygen, usually denoted as DO, and is expressed in milligrams of oxygen per liter of water. The quantity of dissolved oxygen in water is an index to measure the self-purification capacity of water body.
There are two major kinds of Apure dissolved oxygen sensors, KOG-202S Polarographic Dissolved Oxygen Sensor and KOG-206 Optical Dissolved Oxygen Sensor. Continuous detection of dissolved oxygen in liquid.
Residual Chlorine Sensor

Residual chlorine is the final time period for the free and bound chlorine remaining in the water after chlorination disinfection and publicity for a sure time frame.
The residual chlorine sensor KCL is used to measure residual chlorine, chlorine dioxide and ozone in water. The electrode structure is easy and easy to clean and exchange. It can be used in ingesting water therapy crops, canneries, drinking water distribution networks, swimming swimming pools, cooling circulating water, water high quality remedy tasks, and so on. the place the residual chlorine content material in aqueous options needs to be repeatedly monitored.
Turbidity Sensor

Turbidity is caused by suspended particles in the water. The suspended particles diffusely mirror the incident mild. Scattered light in the 90 degree direction is normally used as the check signal. The scattered light and turbidity are linear in a quantity of segments, so the sensor must be calibrated at a quantity of points.
The KS-710 turbidity sensor is designed and manufactured using the precept of scattered mild turbidity measurement. It accurately measures the quantity of sunshine passing by way of the water physique to accurately measure the suspended matter in the water, which can reflect the air pollution of the water physique. In this way the turbidity in the water sample is measured and the final worth is output after linearization. Commonly used in water quality detector for correct measurement of rivers, sewage, wastewater.
Salinity Sensor

Absolute salinity is the ratio of the mass of dissolved matter in sea water to the mass of sea water. Absolute salinity can’t be measured directly, so with the change and improvement of salinity measurement methods, the corresponding definition of salinity is introduced in sensible software.
Salinity sensors are used to measure the salinity of liquids and solutions and are able to measuring the entire vary from 24 to fifty two,000 ppm (parts per million). Salinity is the sum of all non-carbonate salts dissolved in water and is usually expressed in elements per thousand (1 ppm = 1000 mg/L). Salinity is a vital measurement in seawater. The salinity degree in seawater is fairly constant at about 35 ppm (35,000 mg/L).
Ozone Sensor

Ozone is a kind of allotrope of oxygen, chemical formulation is O3, formulation forty seven.998, a lightweight blue gas with fishy scent. Ozone has sturdy oxidation, is a stronger oxidant than oxygen, oxidation response can happen at decrease temperatures, corresponding to silver oxidation into silver peroxide, lead sulfide oxidation into lead sulfate, with potassium iodide response to generate iodine. Turpentine, gas, and so forth. can spontaneously ignite in ozone.
Ozone meter is the principle of ultraviolet absorption method, with stable ultraviolet light source to supply ultraviolet mild, with gentle wave filter out different wavelengths of ultraviolet gentle, solely allow wavelength 253.7nm via. After passing by way of the pattern photoelectric sensor, and then through the ozone absorption tank, it reaches the sampling photoelectric sensor. By comparing the electrical alerts of the pattern photoelectric sensor with those of the pattern photoelectric sensor, after which calculating the mathematical mannequin, the ozone focus may be obtained.
Chemical Oxygen Demand (COD) Sensor

Many natural substances dissolved in water absorb UV mild. Therefore, by measuring the degree of absorption of UV mild at 254 nm by these organic substances, the quantity of dissolved organic contaminants in water may be accurately measured.
The Apure COD sensor makes use of two light sources, an ultraviolet mild for measuring the COD content material in water and a reference light for measuring the turbidity of the water body, with the sunshine path attenuation being compensated for by a specific algorithm and out there to some extent. Eliminate the interference of particulate suspended impurities, thus reaching more stable and reliable measurement.
Ammonia Nitrogen Ion (NH3-N)Sensor

In aquaculture, if the ammonia nitrogen degree within the water is simply too excessive, it’ll poison the fish and shrimp and cause them to die. Therefore, water quality ammonia hydrogen sensors are especially needed for monitoring ammonia nitrogen focus. Ammonia nitrogen sensors are used to measure the ammonia nitrogen content of water quality and are generally used in the fields of Internet of Things, aquaculture, and smart agriculture.
Apure ammonia nitrogen sensors are manufactured from ammonium ion selective electrodes based mostly on PVC membranes. It is used for ammonium ion content testing in water with temperature compensation, guaranteeing fast, easy, correct and economical testing.
Conclusion

Water high quality monitoring entails a variety of fields, different utility sites want to watch completely different parameters, and the design scheme is also very completely different. Please contact us for specific product choice and technical operation. We have professional technical engineers to provide you with the best supporting scheme..
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Table of Contents

Overview

What is a water quality sensor?

Types of water high quality sensors

pH Sensor

ORP Sensor

Conductivity Sensor

Dissolved Oxygen (DO) Sensor

Residual Chlorine Sensor

Turbidity Sensor

Salinity Sensor

Ozone Sensor

Chemical Oxygen Demand (COD) Sensor

Ammonia Nitrogen Ion (NH3-N)Sensor

Conclusion

Overview

Water is the source of life, human beings can not stay without water in life and manufacturing activities. The high quality of drinking water is intently associated to human health. Water high quality monitoring and management has become an essential subject of contemporary science. Water quality online monitoring system can precisely, timely and comprehensively reflect the present water high quality and growth trends, to provide a scientific basis for water treatment tasks. Water quality monitoring system sensing front-end is the water quality sensor.
The water high quality sensors measure pH, ORP, conductivity, dissolved oxygen, residual chlorine, turbidity, salinity, BOD, COD and different water quality parameters via numerous strategies similar to chemical, physical and organic reactions of water, offering information support for researchers, observers and engineers. Applications include laboratory analysis, environmental management improvement, marine water high quality evaluation, hydraulic model calibration, wastewater therapy, and so forth.
What is a water quality sensor?

Water quality sensor is a common time period for quite a lot of sensors that measure PH, ORP, residual chlorine, turbidity, suspended solids, COD, BOD, conductivity, salinity, and dissolved oxygen. Water high quality doesn’t discuss with a particular daily parameter, it accommodates numerous parts to measure the status of water quality.
Types of water quality sensors

Water high quality is a general idea that covers a variety. Therefore, building a whole water quality monitoring system is a posh project. The good news is that with these 9 Apure water high quality sensors and a water high quality monitoring system, you’ll find a way to simply build your whole water quality monitoring system.
pH Sensor

ORP Sensor

Conductivity Sensor

Dissolved Oxygen Sensor

Residual Chlorine Sensor

Turbidity Sensor

Salinity Sensor

Ozone Sensor

COD Sensor

Ammonia Nitrogen Ion Sensor

pH Sensor

PH is a vital indicator for monitoring industrial wastewater. In industrial wastewater, the variation range of most microorganisms is pH 4.5-9, and the optimum pH range is 6.5-7.5. When the pH worth is beneath 6.5, fungi start to compete with bacteria. When pH reaches four.5, the bacteria will dominate in the biochemical tank and seriously affect the sludge settling. When the pH value exceeds 9, the metabolic rate of microorganisms will be hindered.
In order to watch the PH worth of commercial wastewater, we generally use PH sensors. PH sensors are sensors which are used to watch the concentration of hydrogen ions within the measured resolution and convert it into a corresponding usable output sign. It is suitable for industrial wastewater, home wastewater, agriculture, aquaculture and other non-corrosive weak acidic and weak alkaline setting scenarios.
ORP Sensor

Redox potential (ORP) is a crucial indicator to measure the standard of aquaculture water, ORP value can mirror the great or unhealthy water high quality. The larger the ORP value, the stronger the oxidation of the water body, the smaller the worth, the stronger the reduction of the water physique.
The ORP sensor is mainly used because the oxygen discount potential of an answer. It can detect ORP data not only in water, but in addition in soil and tradition media. Therefore, it’s also a extensively used sensor for continuous monitoring of varied water ORP in electric power, chemical, environmental protection, pharmaceutical, meals and different industries. Usually, it goes to be used together with PH sensor.
Conductivity Sensor

Conductivity is the flexibility to conduct electric present in a body of water. In water quality monitoring, conductivity is considered one of the necessary indicators to mirror water high quality. The higher the conductivity worth of water, the better the conductivity, the greater the TDS worth in water. the TDS value represents the content of dissolved impurities in water. the larger the TDS value, the larger the content of impurities in water. Conversely, the smaller the impurity content, the larger the water. Pure, the decrease the conductivity.
Conductivity sensors can be divided into electrode conductivity sensors, inductive conductivity sensors and ultrasonic conductivity sensors in accordance with the totally different measurement rules. Electrode conductivity sensors use resistance measurement methodology based on electrolytic conduction principle. Inductive conductivity sensors are based mostly on the precept of electromagnetic induction to achieve the measurement of liquid conductivity. Ultrasonic conductivity sensors measure conductivity based mostly on the change of ultrasonic waves in liquids, and the primary two sensors are more widely used.
Apure sensor adopts electrode sort conductivity measurement technique with built-in excessive precision sensor, excessive accuracy, conductivity measurement range between 0~20,000μS/cm, measurement error is ±1%FS, excessive sensitivity. This conductivity sensor comes with a cable related to a transmitter that sends the sign to processing and/or recording equipment.
Dissolved Oxygen (DO) Sensor

The molecular oxygen in the air dissolved in water is identified as dissolved oxygen. The content of dissolved oxygen in water is closely associated to the partial strain of oxygen in the air and the temperature of water. Under natural circumstances, the oxygen content material within the air doesn’t change a lot, so the water temperature is the main issue, the lower the water temperature, the upper the dissolved oxygen content material in the water. The molecular oxygen dissolved in water is known as dissolved oxygen, usually denoted as DO, and is expressed in milligrams of oxygen per liter of water. The quantity of dissolved oxygen in water is an index to measure the self-purification capacity of water body.
There are two primary forms of Apure dissolved oxygen sensors, KOG-202S Polarographic Dissolved Oxygen Sensor and KOG-206 Optical Dissolved Oxygen Sensor. Continuous detection of dissolved oxygen in liquid.
Residual Chlorine Sensor

Residual chlorine is the general time period for the free and sure chlorine remaining within the water after chlorination disinfection and exposure for a sure time period.
The residual chlorine sensor KCL is used to measure residual chlorine, chlorine dioxide and ozone in water. The electrode construction is straightforward and straightforward to clean and replace. It can be utilized in drinking water remedy crops, canneries, drinking water distribution networks, swimming pools, cooling circulating water, water quality therapy tasks, etc. where the residual chlorine content in aqueous solutions must be constantly monitored.
Turbidity Sensor

Turbidity is attributable to suspended particles in the water. The suspended particles diffusely replicate the incident light. Scattered light in the ninety degree path is often used as the test signal. The scattered light and turbidity are linear in a number of segments, so the sensor needs to be calibrated at multiple points.
The KS-710 turbidity sensor is designed and manufactured using the principle of scattered mild turbidity measurement. It accurately measures the quantity of sunshine passing via the water physique to accurately measure the suspended matter in the water, which may reflect the air pollution of the water body. In this manner the turbidity in the water pattern is measured and the final value is output after linearization. Commonly used in water quality detector for accurate measurement of rivers, sewage, wastewater.
Salinity Sensor

Absolute salinity is the ratio of the mass of dissolved matter in sea water to the mass of sea water. Absolute salinity can’t be measured immediately, so with the change and enchancment of salinity measurement methods, the corresponding definition of salinity is launched in practical application.
Salinity sensors are used to measure the salinity of liquids and options and are capable of measuring the whole vary from 24 to fifty two,000 ppm (parts per million). Salinity is the sum of all non-carbonate salts dissolved in water and is usually expressed in parts per thousand (1 ppm = one thousand mg/L). Salinity is a vital measurement in seawater. The salinity stage in seawater is fairly fixed at about 35 ppm (35,000 mg/L).
Ozone Sensor

Ozone is a sort of allotrope of oxygen, chemical formulation is O3, formulation 47.998, a light-weight blue gasoline with fishy scent. Ozone has sturdy oxidation, is a stronger oxidant than oxygen, oxidation reaction can occur at decrease temperatures, corresponding to silver oxidation into silver peroxide, lead sulfide oxidation into lead sulfate, with potassium iodide reaction to generate iodine. Turpentine, gas, and so on. can spontaneously ignite in ozone.
Ozone meter is the principle of ultraviolet absorption technique, with stable ultraviolet mild supply to produce ultraviolet gentle, with mild wave filter out other wavelengths of ultraviolet gentle, solely enable wavelength 253.7nm via. After passing through the pattern photoelectric sensor, and then via the ozone absorption tank, it reaches the sampling photoelectric sensor. By evaluating the electrical alerts of the sample photoelectric sensor with those of the pattern photoelectric sensor, and then calculating the mathematical model, the ozone focus can be obtained.
Chemical Oxygen Demand (COD) Sensor

Many organic substances dissolved in water absorb UV gentle. Therefore, by measuring the diploma of absorption of UV gentle at 254 nm by these organic substances, the amount of dissolved natural contaminants in water could be precisely measured.
The Apure COD sensor uses two mild sources, an ultraviolet mild for measuring the COD content in water and a reference mild for measuring the turbidity of the water body, with the light path attenuation being compensated for by a particular algorithm and available to some extent. Eliminate the interference of particulate suspended impurities, thus achieving more stable and reliable measurement.
Ammonia Nitrogen Ion (NH3-N)Sensor

In aquaculture, if the ammonia nitrogen stage in the water is just too excessive, it will poison the fish and shrimp and cause them to die. Therefore, water high quality ammonia hydrogen sensors are particularly essential for monitoring ammonia nitrogen concentration. Ammonia nitrogen sensors are used to measure the ammonia nitrogen content material of water quality and are generally used within the fields of Internet of Things, aquaculture, and good agriculture.
Apure ammonia nitrogen sensors are manufactured from ammonium ion selective electrodes primarily based on PVC membranes. It is used for ammonium ion content testing in water with temperature compensation, making certain quick, simple, correct and economical testing.
Conclusion

Water quality monitoring involves a broad range of fields, completely different application websites want to watch completely different parameters, and the design scheme is also very completely different. Please contact us for particular product selection and technical operation. We have professional technical engineers to give you one of the best supporting scheme..