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 supply of life, human beings can’t reside with out water in life and manufacturing activities. The quality of consuming water is intently associated to human health. Water quality monitoring and administration has turn into an essential topic of recent science. Water quality on-line monitoring system can precisely, timely and comprehensively mirror the current water quality and improvement trends, to provide a scientific foundation for water remedy initiatives. Water high 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 via various methods similar to chemical, bodily and organic reactions of water, providing information assist for researchers, observers and engineers. Applications embody laboratory analysis, environmental administration enchancment, marine water quality analysis, hydraulic mannequin calibration, wastewater therapy, etc.
What is a water quality sensor?
Water quality sensor is a common term for a wide range 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 every day parameter, it incorporates numerous elements to measure the standing of water quality.
Types of water high quality sensors
Water high quality is a common concept that covers a wide range. Therefore, constructing a complete water high quality monitoring system is a posh project. The good news is that with these 9 Apure water quality sensors and a water quality monitoring system, you can 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 an important indicator for monitoring industrial wastewater. In industrial wastewater, the variation vary of most microorganisms is pH 4.5-9, and the optimum pH vary 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 micro organism will dominate within the biochemical tank and critically affect the sludge settling. When the pH value exceeds 9, the metabolic fee of microorganisms shall be hindered.
In order to watch the PH worth of business wastewater, we typically use PH sensors. PH sensors are sensors that are used to observe the focus of hydrogen ions in the measured resolution and convert it into a corresponding usable output sign. 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 quality of aquaculture water, ORP worth can replicate the great or unhealthy water high quality. The bigger the ORP worth, the stronger the oxidation of the water physique, the smaller the worth, the stronger the discount of the water physique.
The ORP sensor is principally used because the oxygen discount potential of a solution. It can detect ORP knowledge not solely in water, but also in soil and tradition media. Therefore, it is also a widely used sensor for steady monitoring of varied water ORP in electrical energy, chemical, environmental safety, pharmaceutical, meals and different industries. Usually, it is going to be used together with PH sensor.
Conductivity Sensor
Conductivity is the flexibility to conduct electrical present in a physique of water. In water quality monitoring, conductivity is probably one of the necessary indicators to mirror water high quality. The higher the conductivity value of water, the better the conductivity, the greater the TDS worth in water. the TDS worth represents the content material of dissolved impurities in water. the larger the TDS worth, the larger the content of impurities in water. Conversely, the smaller the impurity content material, the higher the water. Pure, the decrease the conductivity.
Conductivity sensors can be divided into electrode conductivity sensors, inductive conductivity sensors and ultrasonic conductivity sensors according to the different measurement ideas. Electrode conductivity sensors use resistance measurement methodology based on electrolytic conduction principle. Inductive conductivity sensors are based on the principle 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 extra widely used.
Apure sensor adopts electrode type conductivity measurement methodology with built-in high precision sensor, excessive accuracy, conductivity measurement vary 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 sign to processing and/or recording tools.
Dissolved เกจวัดแรงดันน้ำ (DO) Sensor
The molecular oxygen in the air dissolved in water is called dissolved oxygen. The content of dissolved oxygen in water is intently associated to the partial strain of oxygen in the air and the temperature of water. Under natural circumstances, the oxygen content material in the air doesn’t change much, so the water temperature is the main issue, the decrease the water temperature, the higher the dissolved oxygen content material in the water. The molecular oxygen dissolved in water is identified 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 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 bound chlorine remaining within 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 structure is easy and straightforward to clean and substitute. It can be used in consuming water remedy vegetation, canneries, consuming water distribution networks, swimming pools, cooling circulating water, water quality therapy tasks, and so forth. the place the residual chlorine content material in aqueous options needs to be constantly monitored.
Turbidity Sensor
Turbidity is brought on by suspended particles in the water. The suspended particles diffusely mirror the incident mild. Scattered gentle within the ninety diploma direction is normally used as the check sign. The scattered gentle and turbidity are linear in a number of segments, so the sensor needs to be calibrated at a number of factors.
The KS-710 turbidity sensor is designed and manufactured utilizing the precept of scattered gentle turbidity measurement. It precisely measures the amount of sunshine passing by way of the water physique to precisely measure the suspended matter in the water, which may replicate the air pollution of the water physique. In this fashion the turbidity within the water pattern 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 not be measured immediately, so with the change and enchancment of salinity measurement strategies, the corresponding definition of salinity is launched in sensible utility.
Salinity sensors are used to measure the salinity of liquids and options and are able to measuring the entire range 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 parts per thousand (1 ppm = a thousand mg/L). Salinity is an important measurement in seawater. The salinity stage in seawater is pretty fixed at about 35 ppm (35,000 mg/L).
Ozone Sensor
Ozone is a type of allotrope of oxygen, chemical method is O3, method 47.998, a lightweight blue gas with fishy odor. Ozone has sturdy oxidation, is a stronger oxidant than oxygen, oxidation reaction can happen at lower temperatures, similar to silver oxidation into silver peroxide, lead sulfide oxidation into lead sulfate, with potassium iodide reaction to generate iodine. Turpentine, fuel, etc. can spontaneously ignite in ozone.
Ozone meter is the principle of ultraviolet absorption method, with stable ultraviolet light supply to supply ultraviolet light, with light wave filter out other wavelengths of ultraviolet mild, solely allow wavelength 253.7nm by way of. After passing through the pattern photoelectric sensor, after which by way of the ozone absorption tank, it reaches the sampling photoelectric sensor. By evaluating the electrical indicators of the sample 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 take in UV gentle. Therefore, by measuring the diploma of absorption of UV mild at 254 nm by these organic substances, the quantity of dissolved organic contaminants in water can be accurately measured.
The Apure COD sensor uses two gentle sources, an ultraviolet mild for measuring the COD content material in water and a reference gentle for measuring the turbidity of the water physique, with the sunshine path attenuation being compensated for by a selected algorithm and available to some extent. Eliminate the interference of particulate suspended impurities, thus attaining more stable and dependable measurement.
Ammonia Nitrogen Ion (NH3-N)Sensor
In aquaculture, if the ammonia nitrogen degree in the water is too high, it will poison the fish and shrimp and trigger them to die. Therefore, water high quality ammonia hydrogen sensors are particularly needed for monitoring ammonia nitrogen concentration. Ammonia nitrogen sensors are used to measure the ammonia nitrogen content material of water high quality and are commonly used within 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, accurate and economical testing.
Conclusion
Water high quality monitoring entails a variety of fields, different utility sites need to observe completely different parameters, and the design scheme is also very completely different. Please contact us for particular product selection and technical operation. We have skilled technical engineers to offer you one of 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 cannot stay with out water in life and production activities. The quality of drinking water is closely associated to human well being. Water high quality monitoring and management has become an necessary subject of recent science. Water high quality online monitoring system can accurately, timely and comprehensively mirror the current water quality and growth developments, to provide a scientific basis for water treatment projects. Water quality monitoring system sensing front-end is the water high quality sensor.
The water quality sensors measure pH, ORP, conductivity, dissolved oxygen, residual chlorine, turbidity, salinity, BOD, COD and other water high quality parameters through numerous strategies corresponding to chemical, physical and biological reactions of water, offering knowledge help for researchers, observers and engineers. Applications embody laboratory research, environmental administration improvement, marine water quality analysis, hydraulic mannequin calibration, wastewater remedy, and so forth.
What is a water quality sensor?
Water 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 does not check with a specific day by day parameter, it contains a quantity of components to measure the standing of water quality.
Types of water high quality sensors
Water quality is a general concept that covers a variety. Therefore, constructing an entire water quality monitoring system is a complex venture. The excellent news is that with these nine Apure water high quality sensors and a water high quality monitoring system, you’ll be able to easily construct 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 crucial indicator for monitoring industrial wastewater. In industrial wastewater, the adaptation range of most microorganisms is pH four.5-9, and the optimum pH range is 6.5-7.5. When the pH value is under 6.5, fungi begin to compete with micro organism. When pH reaches 4.5, the micro organism will dominate within the biochemical tank and significantly have an result on the sludge settling. When the pH worth exceeds 9, the metabolic fee of microorganisms might be hindered.
In order to monitor the PH worth of industrial wastewater, we generally use PH sensors. PH sensors are sensors which would possibly be used to observe the concentration of hydrogen ions within the measured answer and convert it into a corresponding usable output sign. It is suitable for industrial wastewater, domestic wastewater, agriculture, aquaculture and different non-corrosive weak acidic and weak alkaline environment scenarios.
ORP Sensor
Redox potential (ORP) is an important indicator to measure the standard of aquaculture water, ORP worth can reflect the nice or bad water high quality. The bigger the ORP value, the stronger the oxidation of the water body, the smaller the value, the stronger the discount of the water body.
The ORP sensor is especially used because the oxygen reduction potential of an answer. It can detect ORP data not only in water, but also in soil and tradition media. Therefore, it’s also a broadly used sensor for steady monitoring of varied water ORP in electrical energy, chemical, environmental safety, pharmaceutical, food and other industries. Usually, it is going to be used together with PH sensor.
Conductivity Sensor
Conductivity is the ability to conduct electric current in a body of water. In water quality monitoring, conductivity is probably considered one of the important indicators to reflect water quality. The higher the conductivity value of water, the higher the conductivity, the greater the TDS worth in water. the TDS value represents the content of dissolved impurities in water. the larger the TDS worth, the larger the content material of impurities in water. Conversely, the smaller the impurity content, 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 based on the totally different measurement rules. Electrode conductivity sensors use resistance measurement method based on electrolytic conduction principle. Inductive conductivity sensors are based on the precept of electromagnetic induction to realize 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 extra extensively 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 connected to a transmitter that sends the signal to processing and/or recording equipment.
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 related to the partial strain of oxygen within the air and the temperature of water. Under pure circumstances, the oxygen content material within the air does not change much, so the water temperature is the principle factor, the decrease the water temperature, the upper the dissolved oxygen content material in the water. The molecular oxygen dissolved in water is recognized 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 capability 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 general term for the free and bound chlorine remaining in the water after chlorination disinfection and publicity for a certain 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 straightforward to scrub and exchange. It can be utilized in drinking water remedy crops, canneries, consuming water distribution networks, swimming pools, cooling circulating water, water high quality therapy tasks, etc. where the residual chlorine content material in aqueous solutions must be constantly monitored.
Turbidity Sensor
Turbidity is brought on by suspended particles in the water. The suspended particles diffusely reflect the incident light. Scattered gentle within the ninety degree direction is normally used as the test signal. The scattered gentle and turbidity are linear in multiple segments, so the sensor needs to be calibrated at multiple points.
The KS-710 turbidity sensor is designed and manufactured utilizing the precept of scattered light turbidity measurement. It precisely measures the amount of light passing via the water body to precisely measure the suspended matter within the water, which can mirror the air pollution of the water physique. In this fashion the turbidity within the water sample is measured and the final worth is output after linearization. Commonly utilized 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 cannot be measured instantly, so with the change and enchancment of salinity measurement methods, the corresponding definition of salinity is launched in practical software.
Salinity sensors are used to measure the salinity of liquids and solutions and are capable of measuring the complete vary from 24 to 52,000 ppm (parts per million). Salinity is the sum of all non-carbonate salts dissolved in water and is normally expressed in parts per thousand (1 ppm = 1000 mg/L). Salinity is a crucial measurement in seawater. The salinity degree in seawater is pretty fixed at about 35 ppm (35,000 mg/L).
Ozone Sensor
Ozone is a type of allotrope of oxygen, chemical formulation is O3, formulation forty seven.998, a lightweight blue fuel with fishy smell. Ozone has strong oxidation, is a stronger oxidant than oxygen, oxidation response can happen at lower temperatures, similar to silver oxidation into silver peroxide, lead sulfide oxidation into lead sulfate, with potassium iodide reaction to generate iodine. Turpentine, fuel, etc. can spontaneously ignite in ozone.
Ozone meter is the principle of ultraviolet absorption methodology, with secure ultraviolet gentle source to provide ultraviolet light, with mild wave filter out other wavelengths of ultraviolet light, only permit wavelength 253.7nm through. After passing via the pattern photoelectric sensor, after which by way of the ozone absorption tank, it reaches the sampling photoelectric sensor. By comparing the electrical alerts of the sample photoelectric sensor with these of the pattern photoelectric sensor, after which calculating the mathematical model, the ozone focus can be obtained.
Chemical Oxygen Demand (COD) Sensor
Many organic substances dissolved in water take up UV light. Therefore, by measuring the degree of absorption of UV light at 254 nm by these organic substances, the quantity of dissolved organic contaminants in water may be accurately measured.
The Apure COD sensor uses two mild sources, an ultraviolet mild for measuring the COD content 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 obtainable 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 too excessive, it’ll poison the fish and shrimp and trigger them to die. Therefore, water high 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 high quality and are commonly used within the fields of Internet of Things, aquaculture, and sensible 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, guaranteeing quick, easy, correct and economical testing.
Conclusion
Water high quality monitoring entails a extensive range of fields, completely different application sites need to monitor totally different parameters, and the design scheme is also very totally different. Please contact us for particular product selection and technical operation. We have professional technical engineers to offer you the best supporting scheme..