Table of Contents
Overview
What is a water high 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 stay without water in life and manufacturing actions. The quality of drinking water is intently associated to human well being. Water quality monitoring and administration has turn out to be an important topic of contemporary science. Water high quality on-line monitoring system can accurately, well timed and comprehensively mirror the present water quality and development tendencies, to provide a scientific basis for water therapy initiatives. 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 other water quality parameters through numerous strategies such as chemical, bodily and biological reactions of water, providing data help for researchers, observers and engineers. Applications include laboratory analysis, environmental management enchancment, marine water quality evaluation, hydraulic mannequin calibration, wastewater remedy, and so on.
What is a water quality sensor?
Water high quality sensor is a common term for a selection of sensors that measure PH, ORP, residual chlorine, turbidity, suspended solids, COD, BOD, conductivity, salinity, and dissolved oxygen. Water high quality does not refer to a particular day by day parameter, it contains numerous components to measure the status of water quality.
Types of water high quality sensors
Water high quality is a general concept that covers a extensive range. Therefore, building a complete water high quality monitoring system is a complex venture. The good news is that with these nine Apure water high quality sensors and a water quality monitoring system, you’ll be able to easily construct your complete 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 begin to compete with bacteria. When pH reaches 4.5, the micro organism will dominate within the biochemical tank and critically affect the sludge settling. When the pH worth exceeds 9, the metabolic rate of microorganisms might be hindered.
In order to observe the PH worth of industrial wastewater, we typically use PH sensors. PH sensors are sensors that are used to watch the focus of hydrogen ions in the measured solution and convert it right into a corresponding usable output signal. หลักการทํางานของpressuregauge is appropriate for industrial wastewater, domestic wastewater, agriculture, aquaculture and other non-corrosive weak acidic and weak alkaline surroundings scenarios.
ORP Sensor
Redox potential (ORP) is a crucial indicator to measure the quality of aquaculture water, ORP value can reflect the good or dangerous water quality. The larger the ORP worth, the stronger the oxidation of the water body, the smaller the value, the stronger the reduction of the water physique.
The ORP sensor is mainly used because the oxygen reduction potential of an answer. It can detect ORP knowledge not solely in water, but in addition in soil and culture media. Therefore, it’s also a extensively used sensor for steady monitoring of varied water ORP in electric power, chemical, environmental protection, pharmaceutical, food and other industries. Usually, it will be used together with PH sensor.
Conductivity Sensor
Conductivity is the flexibility to conduct electric present in a physique of water. In water high quality monitoring, conductivity is amongst the important indicators to replicate water quality. The higher the conductivity worth of water, the better the conductivity, the higher the TDS worth in water. the TDS value represents the content material of dissolved impurities in water. the greater the TDS value, the greater the content of impurities in water. Conversely, the smaller the impurity content material, the larger the water. Pure, the lower the conductivity.
Conductivity sensors could be divided into electrode conductivity sensors, inductive conductivity sensors and ultrasonic conductivity sensors according to the completely different measurement rules. Electrode conductivity sensors use resistance measurement technique based mostly on electrolytic conduction principle. Inductive conductivity sensors are primarily based on the precept of electromagnetic induction to attain the measurement of liquid conductivity. Ultrasonic conductivity sensors measure conductivity primarily based on the change of ultrasonic waves in liquids, and the first two sensors are more widely used.
Apure sensor adopts electrode kind conductivity measurement technique with built-in high precision sensor, high 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 gear.
Dissolved Oxygen (DO) Sensor
The molecular oxygen within the air dissolved in water is called 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 doesn’t change much, so the water temperature is the main factor, the decrease the water temperature, the upper the dissolved oxygen content material within the water. The molecular oxygen dissolved in water is identified as dissolved oxygen, often 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 general time period for the free and bound chlorine remaining in the water after chlorination disinfection and exposure for a certain time frame.
The residual chlorine sensor KCL is used to measure residual chlorine, chlorine dioxide and ozone in water. The electrode construction is easy and easy to wash and exchange. It can be used in consuming water therapy plants, canneries, drinking water distribution networks, swimming pools, cooling circulating water, water quality treatment tasks, and so on. the place the residual chlorine content in aqueous solutions must be continuously monitored.
Turbidity Sensor
Turbidity is attributable to suspended particles in the water. The suspended particles diffusely replicate the incident gentle. Scattered gentle in the ninety diploma direction is normally used because the check sign. The scattered gentle and turbidity are linear in a number of 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 mild turbidity measurement. It precisely measures the quantity of sunshine passing through the water physique to precisely measure the suspended matter in the water, which might replicate the pollution of the water body. In this manner the turbidity in the water sample is measured and the ultimate value is output after linearization. Commonly used in water high 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 cannot be measured directly, so with the change and enchancment of salinity measurement methods, the corresponding definition of salinity is launched in sensible software.
Salinity sensors are used to measure the salinity of liquids and options and are able to 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 components per thousand (1 ppm = one thousand mg/L). Salinity is a crucial measurement in seawater. The salinity level in seawater is pretty fixed at about 35 ppm (35,000 mg/L).
Ozone Sensor
Ozone is a sort of allotrope of oxygen, chemical method is O3, method 47.998, a light blue gasoline with fishy scent. Ozone has robust oxidation, is a stronger oxidant than oxygen, oxidation reaction 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, fuel, and so forth. can spontaneously ignite in ozone.
Ozone meter is the precept of ultraviolet absorption technique, with stable ultraviolet mild source to supply ultraviolet mild, with light wave filter out different wavelengths of ultraviolet light, solely permit wavelength 253.7nm through. After passing through the sample photoelectric sensor, after which by way of the ozone absorption tank, it reaches the sampling photoelectric sensor. By evaluating the electrical alerts of the pattern photoelectric sensor with these of the sample photoelectric sensor, after which calculating the mathematical model, the ozone focus could be obtained.
Chemical Oxygen Demand (COD) Sensor
Many organic substances dissolved in water absorb UV light. Therefore, by measuring the degree of absorption of UV mild at 254 nm by these natural substances, the quantity of dissolved organic contaminants in water could be precisely measured.
The Apure COD sensor uses two mild sources, an ultraviolet light for measuring the COD content material in water and a reference mild for measuring the turbidity of the water physique, 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 reaching extra stable and reliable measurement.
Ammonia Nitrogen Ion (NH3-N)Sensor
In aquaculture, if the ammonia nitrogen level within the water is too excessive, it will poison the fish and shrimp and trigger them to die. Therefore, water high quality ammonia hydrogen sensors are particularly essential for monitoring ammonia nitrogen focus. Ammonia nitrogen sensors are used to measure the ammonia nitrogen content material of water quality and are commonly used within the fields of Internet of Things, aquaculture, and good 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 quick, simple, correct and economical testing.
Conclusion
Water quality monitoring includes a broad range of fields, completely different software websites need to monitor different parameters, and the design scheme can be very different. Please contact us for specific product choice and technical operation. We have professional technical engineers to offer you the best supporting scheme..
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Table of Contents
Overview
What is a water high 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 can not reside with out water in life and manufacturing activities. The quality of ingesting water is carefully associated to human well being. Water quality monitoring and administration has turn into an necessary subject of modern science. Water high quality on-line monitoring system can precisely, timely and comprehensively reflect the current water high quality and improvement tendencies, to supply a scientific basis for water treatment initiatives. Water quality monitoring system sensing front-end is the water quality sensor.
The water quality sensors measure pH, ORP, conductivity, dissolved oxygen, residual chlorine, turbidity, salinity, BOD, COD and different water high quality parameters through various strategies corresponding to chemical, physical and organic reactions of water, offering knowledge help for researchers, observers and engineers. Applications embody laboratory analysis, environmental management enchancment, marine water quality analysis, hydraulic model calibration, wastewater treatment, and so forth.
What is a water quality sensor?
Water quality sensor is a common term for a 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 particular day by day parameter, it incorporates numerous elements to measure the standing of water quality.
Types of water quality sensors
Water high quality is a common idea that covers a variety. Therefore, constructing a complete water high quality monitoring system is a posh project. The excellent news is that with these 9 Apure water quality sensors and a water quality monitoring system, you’ll find a way 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 4.5-9, and the optimum pH range is 6.5-7.5. When the pH worth is under 6.5, fungi start to compete with bacteria. When pH reaches four.5, the micro organism will dominate within the biochemical tank and seriously have an result on the sludge settling. When the pH worth exceeds 9, the metabolic fee of microorganisms will be hindered.
In order to watch the PH value of commercial wastewater, we usually use PH sensors. PH sensors are sensors which would possibly be used to watch the concentration of hydrogen ions in the measured answer and convert it into a corresponding usable output signal. It is suitable for industrial wastewater, domestic wastewater, agriculture, aquaculture and other non-corrosive weak acidic and weak alkaline environment scenarios.
ORP Sensor
Redox potential (ORP) is a vital indicator to measure the quality of aquaculture water, ORP value can replicate the good or unhealthy water high quality. The bigger the ORP value, the stronger the oxidation of the water physique, the smaller the value, 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 information not only in water, but in addition in soil and tradition media. Therefore, it is also a widely used sensor for continuous monitoring of various water ORP in electric power, chemical, environmental protection, pharmaceutical, food and other industries. Usually, it will be used together with PH sensor.
Conductivity Sensor
Conductivity is the power to conduct electric current in a body of water. In water high quality monitoring, conductivity is considered one of the necessary indicators to replicate water quality. The larger the conductivity worth of water, the higher the conductivity, the higher the TDS value in water. the TDS worth represents the content of dissolved impurities in water. the greater the TDS value, the higher the content material of impurities in water. Conversely, the smaller the impurity content, the higher the water. Pure, the lower the conductivity.
Conductivity sensors could be divided into electrode conductivity sensors, inductive conductivity sensors and ultrasonic conductivity sensors in accordance with the totally different measurement ideas. Electrode conductivity sensors use resistance measurement methodology primarily 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 first two sensors are more extensively used.
Apure sensor adopts electrode sort conductivity measurement methodology with built-in excessive precision sensor, high accuracy, conductivity measurement range between 0~20,000μS/cm, measurement error is ±1%FS, high sensitivity. This conductivity sensor comes with a cable related to a transmitter that sends the signal to processing and/or recording gear.
Dissolved Oxygen (DO) Sensor
The molecular oxygen in the air dissolved in water known as dissolved oxygen. The content of dissolved oxygen in water is intently associated to the partial stress of oxygen within the air and the temperature of water. Under natural circumstances, the oxygen content in the air doesn’t change a lot, so the water temperature is the primary factor, the decrease the water temperature, the higher the dissolved oxygen content in the water. The molecular oxygen dissolved in water is called 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 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 general term for the free and bound chlorine remaining in the water after chlorination disinfection and exposure for a sure period of time.
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 utilized in drinking water therapy vegetation, canneries, ingesting water distribution networks, swimming swimming pools, cooling circulating water, water high quality remedy tasks, and so forth. where the residual chlorine content in aqueous options needs to be continuously monitored.
Turbidity Sensor
Turbidity is caused by suspended particles within the water. The suspended particles diffusely mirror the incident light. Scattered light within the 90 diploma direction is normally used because the take a look at signal. The scattered light and turbidity are linear in a number of segments, so the sensor must be calibrated at multiple points.
The KS-710 turbidity sensor is designed and manufactured using the principle of scattered light turbidity measurement. It precisely measures the amount of sunshine passing by way of the water physique to accurately measure the suspended matter in the water, which may replicate the pollution of the water body. In this fashion the turbidity in the water pattern is measured and the ultimate 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 instantly, so with the change and enchancment of salinity measurement methods, the corresponding definition of salinity is launched in practical utility.
Salinity sensors are used to measure the salinity of liquids and solutions and are able to 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 components per thousand (1 ppm = a 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 formula is O3, formulation forty seven.998, a light blue fuel with fishy scent. Ozone has strong oxidation, is a stronger oxidant than oxygen, oxidation response can occur at lower temperatures, such as silver oxidation into silver peroxide, lead sulfide oxidation into lead sulfate, with potassium iodide reaction to generate iodine. Turpentine, fuel, and so on. can spontaneously ignite in ozone.
Ozone meter is the principle of ultraviolet absorption technique, with steady ultraviolet light supply to supply ultraviolet light, with light 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 evaluating the electrical indicators of the sample photoelectric sensor with these of the pattern photoelectric sensor, and then calculating the mathematical model, the ozone focus could be obtained.
Chemical Oxygen Demand (COD) Sensor
Many organic substances dissolved in water take up UV gentle. Therefore, by measuring the degree of absorption of UV gentle at 254 nm by these natural substances, the quantity of dissolved natural contaminants in water can be accurately measured.
The Apure COD sensor uses two light sources, an ultraviolet gentle for measuring the COD content material in water and a reference mild for measuring the turbidity of the water body, with the sunshine path attenuation being compensated for by a particular algorithm and obtainable to some extent. Eliminate the interference of particulate suspended impurities, thus attaining more stable and reliable measurement.
Ammonia Nitrogen Ion (NH3-N)Sensor
In aquaculture, if the ammonia nitrogen stage within the water is simply too high, 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 concentration. Ammonia nitrogen sensors are used to measure the ammonia nitrogen content of water high quality and are generally used within the fields of Internet of Things, aquaculture, and smart agriculture.
Apure ammonia nitrogen sensors are made from ammonium ion selective electrodes 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 entails a variety of fields, totally different application sites need to observe different parameters, and the design scheme is also very totally different. Please contact us for particular product selection and technical operation. We have skilled technical engineers to give you the best supporting scheme..