Suzhou Delfino Environmental Technology Co., Ltd.
The ultraviolet absorption method is a commonly used method for the determination of chemical oxygen demand (COD). The COD sensor principle is to irradiate the sample with ultraviolet light to make the organic matter absorb under the action of ultraviolet light, measure the intensity of the absorbed light, and calculate the COD value in the sample. Its characteristics are as follows: 1. High sensitivity: The ultraviolet absorption method COD sensor has high sensitivity to organic matter, and can measure COD values at low concentrations. 2. Quick and easy: The process of measuring COD by ultraviolet absorption method is simple and fast, does not need to use complicated instruments and equipment, and is easy to operate. 3
A pH sensor is a sensor used to measure the pH of a solution, and its principle is based on electrochemical reactions. An analog pH sensor usually consists of a glass electrode and a reference electrode. The inside of the glass electrode is coated with a glass membrane that reacts with hydrogen ions in the solution to generate a potential difference to measure the pH of the solution. This ASP300 online pH sensor is a combination electrode with double salt bridge design, long service life and...
The inline pH sensor is an important instrument used to measure the pH of a solution, and its service life is affected by many factors, including frequency of use, environmental conditions, sample properties, etc. Generally speaking, the service life of the pH electrode is between 6 months and 2 years, but the specific situation needs to be determined according to the actual usage. Choosing a good durable pH sensor requires consideration of many factors, including measurement range, response...
An industrial pH sensor is an electrochemical sensor used to measure the pH of a solution, which plays a very important role in industrial processes. The PH value is an index to measure the acidity and alkalinity of a solution. For many industrial processes, controlling the PH value is very critical. The following are the importance of industrial pH electrodes in industrial processes: Control the reaction process: In many industrial processes, the change of pH value will affect the reaction...
Ozone O3 is a molecule composed of three oxygen atoms and is a strong oxidizing agent. It is produced in nature by means such as ultraviolet radiation and electric shock discharge, and is commonly found in the ozone layer in the atmosphere. The advantage of ozone as a disinfectant is that it can quickly kill bacteria, viruses and other microorganisms, and is more efficient than traditional disinfectants. During the disinfection process, no harmful residue is left, and it will not cause...
Chlorine dioxide can be used to disinfect and purify water sources. It is usually used in the water treatment industry, and in the tap water industry, monitoring chlorine dioxide is very important. Usually, before the raw water from the waterworks enters the treatment system, it is necessary to monitor the chlorine dioxide in the raw water to know whether there is chlorine dioxide pollution in the raw water. In the process of water treatment, the concentration of chlorine dioxide also needs to...
Chlorine dioxide (ClO2) is a colorless gas with a pungent odor. It is produced by the reaction of chlorine and oxygen under certain conditions. Chlorine dioxide has strong oxidizing and bactericidal properties, so it is widely used in many occasions. Monitoring water quality for chlorine dioxide levels can assess whether the concentration of disinfectant is high enough to achieve effective disinfection. Delfino's chlorine dioxide sensor is designed for continuous monitoring of water quality...
Chlorine is one of the common water treatment agents used to disinfect tap water from bacteria and pathogens. Monitoring the total chlorine value at the waterworks can ensure that the concentration of chlorine disinfectants in the tap water is within a safe range, which can effectively kill bacteria and pathogens without adversely affecting human health. In addition, monitoring the total chlorine value can also detect leakage or excessive dosage of chlorine disinfectant in tap water in time to...
Peracetic acid is a strong oxidant that can quickly kill microorganisms such as bacteria, viruses and fungi in water, and plays an important role in water quality safety. Peracetic acid will be decomposed into water and oxygen after being used in water, without leaving any harmful substances, and has no pollution to the environment. It can effectively inhibit the reproduction of microorganisms in water, extend the shelf life of water, and prevent water from deteriorating. Peracetic acid can be...
Total chlorine refers to the sum of free chlorine and combined chlorine in water, which is an indicator used to measure the content of chlorine in water. Residual chlorine refers to the content of chlorine that is not consumed after adding disinfectant to water. It is the residue of a disinfectant used to keep water sanitizing. The sensors used to measure the residual chlorine value and total chlorine value of water are different. Daruifuno's total chlorine sensor CP4.0 is specially designed...
Chlorine is a common disinfectant used to kill bacteria, viruses and other microorganisms in water. Monitoring the total chlorine level can ensure that the chlorine concentration in the water is within the safe range to effectively disinfect the water source. Chlorine can react with organic matter to produce carcinogens such as chloroform. Monitoring total chlorine levels can help identify excessive chlorine concentrations in water and avoid potential health risks. Chlorine can also react with...
OWA030, OWA350, OWA361 oil in water sensor, using the principle of ultraviolet fluorescence analysis, compared with several commonly used methods, the fluorescence method is more efficient, quicker and has better repeatability, and can be monitored in real time online. The sensor has better repeatability and stability to detect soluble and emulsified oils. In addition, OWA361 is equipped with an automatic cleaning brush, which can eliminate air bubbles and reduce the impact of contamination on...
Pool turbidity monitoring is very important as it ensures the quality and cleanliness of the pool water. Turbidity in pool water refers to the concentration of suspended and dissolved matter in the water, which includes dirt, sweat, grease, chemicals, and more. If the turbidity of swimming pool water is too high, it will not only affect the sight of swimmers, but also may lead to health problems such as infectious diseases and allergies. The turbidity value of swimming pool water usually needs...
Chloride ions are common water treatment agents used for disinfection and sterilization. During water treatment, chloride ions can kill bacteria, viruses and other microorganisms, thus ensuring the safety of drinking water. However, high concentrations of chloride ions may have a negative impact on human health. High concentrations of chloride ions may interact with organic matter to produce carcinogens and have adverse effects on human liver and kidneys. High concentrations of chloride ions...
The online digital pH sensor developed and produced by Daruifuno is a sensor for online pH monitoring of water quality. Digital electrodes have higher measurement accuracy, can provide accurate pH measurement results, and output them in real time. The difference between digital sensors and analog pH sensor is mainly here that digital sensors can directly provide real-time digital output without using additional conversion devices. This is due to its internal RS485 interface, which supports...
The digital pH sensor is an instrument used to measure the pH of water or other liquids. Its principle is based on the change of the acid-base indicator to measure the pH of the liquid. The pH sensor changes the color of the indicator by contacting the liquid with an acid-base indicator, and then measures the concentration of hydrogen ions (H+) in the liquid through an electrode to determine the pH of the liquid. The working principle of the pH sensor is relatively simple, but it is very...
ORP is an abbreviation for Oxidation-Reduction Potential, also known as Oxidation-Reduction Potential Value. It is an index to measure the redox ability of a solution. The digital ORP sensor developed and produced by Daruifuno has an RS485 digital interface, which can be directly connected to industrial control equipment to output data. It is necessary to monitor the value of ORP in the waterworks, especially in some aspects of water treatment. For example, monitoring the ORP value in raw water...
DPH790 online digital pH probe adopts glass electrode method, and the measuring range is 0~14pH. The advantage of the digital pH sensor is that it can achieve reliable and interference-free signals. It can internally convert its own measurement signals from analog signals to digital signals to ensure that reliable digital signals can also be obtained in long-distance situations. This digital ph probe RS485 can be plug-and-play, internally stores calibration data, can be calibrated offline, and...
Peracetic acid is an organic peroxide with the chemical formula CH3COOOH. It is a colorless liquid with a strong pungent odour. As a disinfectant, peracetic acid has a broad-spectrum bactericidal effect and can effectively kill microorganisms such as bacteria, viruses, fungi and spores. It is quickly decomposed into non-toxic acetic acid and oxygen in water, and will not remain in the environment. Compared with other disinfectants, peracetic acid has no irritating odor and will not produce...
The infrared scattering method uses the scattering characteristics of solid particles in the sludge to infrared light to measure the concentration. When infrared light passes through a sludge sample, the solid particles scatter the light, and the intensity of the scattered light is proportional to the concentration of the particles. MLSS series sludge concentration sensors provide different measurement ranges, and users can choose according to their needs. Shell material also has the choice of...
Chlorine dioxide is used for disinfection in industrial production processes, including drinking water treatment, food processing, pharmaceuticals, pulp and paper production, etc. Chlorine dioxide is a commonly used disinfectant in the food processing industry. It can effectively kill bacteria, viruses and other microorganisms in food to ensure food safety and hygiene. The link that needs to use chlorine dioxide for disinfection is usually the water treatment link in the production process....
COD is the amount of oxidant consumed when a certain strong oxidant is used to treat water samples under certain conditions. It reflects the degree of material pollution in the water. The greater the chemical oxygen demand, the more serious the...
Chemical oxygen demand is also called chemical oxygen demand, or COD for short. COD is an important indicator of water pollution. The unit of COD is mg/L. At present, the principles of measuring COD mainly include chemical titration (potassium...
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