Table of Contents
Overview
What is a water high quality sensor?
Types of water 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 cannot reside without water in life and production activities. The quality of drinking water is closely associated to human well being. Water high quality monitoring and administration has become an important topic of modern science. Water high quality on-line monitoring system can accurately, timely and comprehensively replicate the current water quality and development developments, to offer a scientific basis for water treatment tasks. Water 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 quality parameters by way of numerous methods corresponding to chemical, physical and organic reactions of water, providing knowledge support for researchers, observers and engineers. Applications embrace laboratory analysis, environmental management improvement, marine water high quality evaluation, hydraulic model calibration, wastewater treatment, and so forth.
What is a water high quality sensor?
Water high quality sensor is a common term for a variety 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 selected daily parameter, it accommodates a quantity of components to measure the status of water quality.
Types of water high quality sensors
Water quality is a common concept that covers a variety. Therefore, constructing a whole water high quality monitoring system is a fancy challenge. The good news is that with these 9 Apure water quality sensors and a water quality monitoring system, you’ll have the ability to 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 adaptation range of most microorganisms is pH 4.5-9, and the optimum pH vary is 6.5-7.5. When the pH value is beneath 6.5, fungi start to compete with micro organism. When pH reaches 4.5, the bacteria will dominate within the biochemical tank and critically have an effect on the sludge settling. When the pH worth exceeds 9, the metabolic price of microorganisms shall be hindered.
In order to monitor the PH value of business wastewater, we usually use PH sensors. PH sensors are sensors which are used to monitor the focus of hydrogen ions within the measured answer and convert it into a corresponding usable output signal. It is appropriate for industrial wastewater, home wastewater, agriculture, aquaculture and other non-corrosive weak acidic and weak alkaline setting situations.
ORP Sensor
Redox potential (ORP) is an important indicator to measure the quality of aquaculture water, ORP worth can replicate the good or unhealthy water quality. The larger the ORP value, the stronger the oxidation of the water physique, the smaller the worth, the stronger the discount of the water body.
The ORP sensor is especially used because the oxygen discount potential of a solution. It can detect ORP information not solely in water, but additionally in soil and tradition media. Therefore, it is also a broadly used sensor for steady monitoring of various water ORP in electrical power, chemical, environmental safety, pharmaceutical, food and other industries. Usually, it will be used together with PH sensor.
Conductivity Sensor
Conductivity is the power to conduct electrical current in a physique of water. In water quality monitoring, conductivity is one of the important indicators to reflect water high quality. The higher the conductivity worth of water, the better the conductivity, the larger the TDS worth in water. the TDS value represents the content material of dissolved impurities in water. the higher the TDS value, the higher the content material of impurities in water. Conversely, the smaller the impurity content material, the higher the water. Pure, the lower the conductivity.
Conductivity sensors may be divided into electrode conductivity sensors, inductive conductivity sensors and ultrasonic conductivity sensors based on the different measurement ideas. Electrode conductivity sensors use resistance measurement method primarily based 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 extensively used.
Apure sensor adopts electrode type conductivity measurement technique with built-in excessive precision sensor, excessive accuracy, conductivity measurement range between 0~20,000μS/cm, measurement error is ±1%FS, high sensitivity. This conductivity sensor comes with a cable linked to a transmitter that sends the signal to processing and/or recording gear.
Dissolved Oxygen (DO) Sensor
The molecular oxygen within the air dissolved in water is identified as dissolved oxygen. The content of dissolved oxygen in water is closely related to the partial pressure of oxygen within the air and the temperature of water. Under natural circumstances, the oxygen content within the air doesn’t change a lot, so the water temperature is the principle issue, the decrease the water temperature, the upper the dissolved oxygen content material within the water. The molecular oxygen dissolved in water known as dissolved oxygen, normally denoted as DO, and is expressed in milligrams of oxygen per liter of water. The amount of dissolved oxygen in water is an index to measure the self-purification capability of water body.
There are two major types 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 overall term for the free and certain 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 wash and exchange. It can be used in consuming water treatment crops, canneries, drinking water distribution networks, swimming swimming pools, cooling circulating water, water quality therapy initiatives, etc. the place the residual chlorine content material in aqueous solutions must be continuously monitored.
Turbidity Sensor
Turbidity is caused by suspended particles within the water. The suspended particles diffusely reflect the incident light. Scattered light within the 90 degree direction is usually used because the take a look at sign. The scattered gentle and turbidity are linear in multiple segments, so the sensor needs to be calibrated at multiple factors.
The KS-710 turbidity sensor is designed and manufactured utilizing the principle of scattered gentle turbidity measurement. It accurately measures the quantity of sunshine passing through the water body to precisely measure the suspended matter within the water, which may replicate the air pollution of the water physique. In this fashion the turbidity in the water pattern is measured and the ultimate worth 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 instantly, so with the change and improvement 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 complete 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 often expressed in elements per thousand (1 ppm = 1000 mg/L). Salinity is an important measurement in seawater. The salinity degree in seawater is pretty constant at about 35 ppm (35,000 mg/L).
Ozone Sensor
Ozone is a kind of allotrope of oxygen, chemical formula is O3, formula 47.998, a light blue fuel with fishy smell. Ozone has sturdy oxidation, is a stronger oxidant than oxygen, oxidation response can occur at decrease temperatures, such as silver oxidation into silver peroxide, lead sulfide oxidation into lead sulfate, with potassium iodide response to generate iodine. Turpentine, gasoline, etc. can spontaneously ignite in ozone.
Ozone meter is the precept of ultraviolet absorption method, with secure ultraviolet mild supply to provide ultraviolet mild, with light wave filter out other wavelengths of ultraviolet mild, solely allow wavelength 253.7nm by way of. After passing through the sample photoelectric sensor, and then via the ozone absorption tank, it reaches the sampling photoelectric sensor. By evaluating the electrical signals of the sample photoelectric sensor with these of the pattern photoelectric sensor, and then calculating the mathematical mannequin, the ozone focus can be obtained.
Chemical Oxygen Demand (COD) Sensor
Many natural substances dissolved in water absorb UV gentle. Therefore, by measuring the degree of absorption of UV gentle at 254 nm by these organic substances, the amount of dissolved natural contaminants in water could be accurately measured.
The Apure COD sensor uses two mild sources, an ultraviolet gentle 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 available to some extent. Eliminate the interference of particulate suspended impurities, thus achieving extra stable and dependable measurement.
Ammonia Nitrogen Ion (NH3-N)Sensor
In aquaculture, if the ammonia nitrogen degree within the water is simply too excessive, it’s going to poison the fish and shrimp and cause them to die. Therefore, water quality ammonia hydrogen sensors are particularly necessary for monitoring ammonia nitrogen concentration. Ammonia nitrogen sensors are used to measure the ammonia nitrogen content material of water high quality and are generally used in the fields of Internet of Things, aquaculture, and sensible agriculture.
Apure ammonia nitrogen sensors are made of ammonium ion selective electrodes based mostly on PVC membranes. It is used for ammonium ion content material testing in water with temperature compensation, ensuring fast, straightforward, correct and economical testing.
Conclusion
Water high quality monitoring entails a variety of fields, completely different utility websites want to observe totally different parameters, and the design scheme can be very completely different. Please contact us for particular product choice and technical operation. We have skilled technical engineers to provide you with the most effective supporting scheme..
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Table of Contents
Overview
What is a water quality sensor?
Types of water 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 manufacturing activities. The quality of drinking water is carefully related to human health. Water high quality monitoring and management has turn into an essential topic of modern science. Water high quality online monitoring system can accurately, well timed and comprehensively reflect the present water high quality and improvement trends, to provide a scientific foundation for water remedy projects. 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 other water quality parameters by way of various methods such as chemical, bodily and organic reactions of water, offering data help for researchers, observers and engineers. Applications embody laboratory research, environmental management enchancment, marine water high quality evaluation, hydraulic model calibration, wastewater treatment, and so forth.
What is a water quality sensor?
Water high quality sensor is a basic term for a big selection of sensors that measure PH, ORP, residual chlorine, turbidity, suspended solids, COD, BOD, conductivity, salinity, and dissolved oxygen. Water quality does not refer to a selected daily parameter, it incorporates numerous elements to measure the status of water high quality.
Types of water quality sensors
Water high quality is a common concept that covers a variety. Therefore, building a complete water quality monitoring system is a posh challenge. pressure gauge octa is that with these nine Apure water quality sensors and a water quality monitoring system, you’ll have the ability to easily build your entire water high 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 difference 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 micro organism. When pH reaches four.5, the micro organism will dominate within the biochemical tank and critically affect the sludge settling. When the pH value exceeds 9, the metabolic price of microorganisms will be hindered.
In order to observe the PH value of business wastewater, we usually use PH sensors. PH sensors are sensors that are used to observe the concentration of hydrogen ions in the measured resolution and convert it into a corresponding usable output signal. It is appropriate for industrial wastewater, home wastewater, agriculture, aquaculture and other non-corrosive weak acidic and weak alkaline environment eventualities.
ORP Sensor
Redox potential (ORP) is a crucial indicator to measure the standard of aquaculture water, ORP worth can replicate the great or dangerous water high quality. The larger the ORP value, the stronger the oxidation of the water physique, the smaller the worth, the stronger the reduction of the water physique.
The ORP sensor is principally used because the oxygen discount potential of a solution. It can detect ORP knowledge not only in water, but also in soil and culture media. Therefore, it is also a widely used sensor for continuous monitoring of varied water ORP in electrical power, chemical, environmental safety, pharmaceutical, meals and different industries. Usually, it is going to be used along with PH sensor.
Conductivity Sensor
Conductivity is the ability to conduct electrical current in a physique of water. In water high quality monitoring, conductivity is likely one of the essential indicators to mirror water quality. The larger the conductivity value of water, the higher 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 greater the water. Pure, the decrease the conductivity.
Conductivity sensors may be divided into electrode conductivity sensors, inductive conductivity sensors and ultrasonic conductivity sensors in accordance with the different measurement ideas. Electrode conductivity sensors use resistance measurement method primarily based on electrolytic conduction precept. Inductive conductivity sensors are based on the precept of electromagnetic induction to attain the measurement of liquid conductivity. Ultrasonic conductivity sensors measure conductivity based on the change of ultrasonic waves in liquids, and the primary two sensors are more widely used.
Apure sensor adopts electrode kind conductivity measurement method with built-in high precision sensor, excessive accuracy, conductivity measurement vary 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 within the air dissolved in water is recognized as dissolved oxygen. The content material of dissolved oxygen in water is closely associated to the partial pressure of oxygen in 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 primary issue, the lower the water temperature, the upper the dissolved oxygen content in the water. The molecular oxygen dissolved in water known as dissolved oxygen, normally 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 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 exposure for a sure time frame.
The residual chlorine sensor KCL is used to measure residual chlorine, chlorine dioxide and ozone in water. The electrode construction is simple and simple to scrub and replace. It can be utilized in consuming water remedy crops, canneries, drinking water distribution networks, swimming swimming pools, cooling circulating water, water high quality treatment projects, and so forth. where the residual chlorine content material in aqueous options must be continuously monitored.
Turbidity Sensor
Turbidity is brought on by suspended particles within the water. The suspended particles diffusely replicate the incident mild. Scattered gentle within the 90 degree course is normally used because the take a look at sign. The scattered light and turbidity are linear in multiple segments, so the sensor must be calibrated at multiple factors.
The KS-710 turbidity sensor is designed and manufactured utilizing the principle of scattered gentle turbidity measurement. It accurately measures the amount of sunshine passing by way of the water body to accurately measure the suspended matter within the water, which may reflect the air pollution of the water body. In this fashion the turbidity in the water sample is measured and the final worth is output after linearization. Commonly utilized 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 instantly, so with the change and improvement of salinity measurement strategies, the corresponding definition of salinity is introduced in sensible software.
Salinity sensors are used to measure the salinity of liquids and options and are capable of measuring the entire range from 24 to 52,000 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 an important measurement in seawater. The salinity stage in seawater is fairly constant at about 35 ppm (35,000 mg/L).
Ozone Sensor
Ozone is a type of allotrope of oxygen, chemical formulation is O3, method 47.998, a lightweight blue fuel with fishy odor. Ozone has strong oxidation, is a stronger oxidant than oxygen, oxidation reaction can happen at decrease temperatures, similar 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 technique, with secure ultraviolet mild source to supply ultraviolet gentle, with light wave filter out other wavelengths of ultraviolet mild, only allow wavelength 253.7nm by way of. After passing by way of the sample photoelectric sensor, and then by way of the ozone absorption tank, it reaches the sampling photoelectric sensor. By comparing the electrical alerts of the sample photoelectric sensor with those of the sample photoelectric sensor, after which calculating the mathematical model, the ozone focus may be obtained.
Chemical Oxygen Demand (COD) Sensor
Many organic substances dissolved in water take in UV gentle. Therefore, by measuring the diploma of absorption of UV mild at 254 nm by these natural substances, the amount of dissolved organic contaminants in water can be precisely measured.
The Apure COD sensor uses two light sources, an ultraviolet light for measuring the COD content in water and a reference mild for measuring the turbidity of the water physique, with the light path attenuation being compensated for by a selected algorithm and available to some extent. Eliminate the interference of particulate suspended impurities, thus attaining extra steady and dependable measurement.
Ammonia Nitrogen Ion (NH3-N)Sensor
In aquaculture, if the ammonia nitrogen stage in the water is simply too high, it will poison the fish and shrimp and trigger them to die. Therefore, water quality ammonia hydrogen sensors are particularly essential for monitoring ammonia nitrogen focus. Ammonia nitrogen sensors are used to measure the ammonia nitrogen content of water quality and are commonly used in the fields of Internet of Things, aquaculture, and good agriculture.
Apure ammonia nitrogen sensors are made of ammonium ion selective electrodes primarily based on PVC membranes. It is used for ammonium ion content material testing in water with temperature compensation, ensuring fast, easy, correct and economical testing.
Conclusion
Water high quality monitoring entails a extensive range of fields, totally different utility sites need to watch different parameters, and the design scheme can also be very different. Please contact us for particular product choice and technical operation. We have skilled technical engineers to offer you one of the best supporting scheme..