Suzhou Delfino Environmental Technology Co., Ltd.
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Key Factors Influencing COD Value Fluctuations: A Comprehensive Analysis
Overview Chemical Oxygen Demand (COD) is a critical indicator of water pollution, reflecting the total oxygen required to oxidize organic and inorganic pollutants in water. Fluctuations in COD values can result from various natural and anthropogenic factors. This article explores the primary drivers of COD variability and their implications for environmental monitoring. ? 1. Organic Pollutant Concentration The most direct influence on COD values comes from the concentration of organic matter in...
pH Analyzer (pH Meter) Working Principle and Application Analysis
Overview In modern scientific research, production and environmental monitoring, the acidity and alkalinity of the solution (i.e. pH value) is a crucial indicator. In order to accurately measure and monitor this parameter, pH analyzers (also known as pH meters) came into being. This article will introduce in detail the working principle of pH analyzers and their applications in various fields. ? Working principle of pH analyzer The working principle of pH analyzer is mainly based on...
How to Choose the Right COD Sensor Based on Different Water Qualities
Overview Chemical Oxygen Demand (COD) sensors play a crucial role in monitoring water quality across various industries, from municipal wastewater treatment plants to industrial effluent management. Selecting the right COD sensor is essential for accurate monitoring and efficient treatment processes. This article will explore what COD is, why its monitoring is critical, the characteristics of different water qualities, and how to choose the most suitable COD sensor based on specific water...
How Water Dissolved Oxygen Sensors Improve Aquaculture Efficiency
Overview In aquaculture, maintaining proper oxygen levels is one of the most critical factors for ensuring healthy fish growth and preventing disease. Dissolved oxygen (DO) directly influences fish metabolism, feed conversion rates, and overall water quality. Using a water dissolved oxygen sensor allows farmers to monitor oxygen levels in real time, enabling timely adjustments that maximize efficiency and yield in aquaculture operations. ? The Role of Dissolved Oxygen in Aquaculture Fish and...
Why Wastewater Treatment Plants Need Water Dissolved Oxygen Sensors
Overview In modern wastewater treatment plants, maintaining the correct balance of dissolved oxygen in water is crucial for effective biological treatment. Dissolved oxygen plays a fundamental role in supporting aerobic microorganisms, which help break down organic waste in the treatment process. Therefore, accurate and continuous monitoring using a water dissolved oxygen sensor is essential to ensure optimal operational performance, energy savings, and regulatory compliance. ? The Importance...
Difference Between PH Electrode and PH Sensor
Overview Understanding the difference between a PH Electrode and a PH Sensor is essential for accurate pH measurement in various applications, including water treatment, laboratory testing, and industrial process control. While these two terms are often used interchangeably, they refer to different components or systems within the broader scope of pH monitoring. This article will explore what a pH electrode and a pH sensor are, how they function, their differences, and where each is typically...
Choosing the Right pH Sensor for Water Treatment
Overview Selecting the right pH sensor for water treatment is critical for maintaining operational efficiency and water quality compliance. In complex water treatment processes—from municipal wastewater treatment to industrial water reuse systems—accurate and reliable pH measurement plays a vital role in ensuring chemical dosing, filtration, and discharge standards are met. However, not all pH probes are created equal, and selecting the best sensor depends on several environmental and...
Dual Salt Bridge Reference Electrode: In-depth Knowledge
Overview The dual salt bridge reference electrode is a crucial component in electrochemical measurements, particularly in pH sensing. It combines an internal salt bridge, typically made of a Calomel electrode or Ag/AgCl electrode with a saturated KCl solution, and an external salt bridge using a saturated NaCl solution or other inert electrolyte. This design ensures stable and accurate measurements, making it ideal for various applications. This article delves into the composition, working...
What is Water Dissolved Oxygen?
Overview Water Dissolved Oxygen (WDO) refers to the concentration of gaseous oxygen molecules (O?) dissolved in aquatic bodies. This critical parameter directly influences the respiratory processes of aquatic organisms and the overall health of aquatic ecosystems. ? Definition and Importance Water Dissolved Oxygen (WDO) is the concentration of molecular oxygen (O?) dissolved in water, typically expressed in milligrams per liter (mg/L) or as a percentage saturation. It is one of the most...
Understanding K Constants, Conductivity Electrodes, and Their Materials: A Comprehensive Guide
Overview In the realm of electrochemical measurements, the K constant (or slope) of conductivity electrodes plays a pivotal role. It defines the linear relationship between the electrode's response and the sample's conductivity. Different K constants correspond to various conductivity electrodes, and selecting the appropriate one is crucial for obtaining accurate measurement results. ? Relationship Between K Constant and Conductivity Conductivity (κ) measures a substance's ability to conduct...
Explore the principles and applications of electromagnetic induction conductivity sensors
The Pivotal Role of Water Quality Monitoring Water quality monitoring stands as a cornerstone in environmental management systems, offering real-time insights into aquatic ecosystems and their dynamic changes. It underpins informed decision-making for pollution control, resource management, and sustainable environmental planning. Central to this monitoring infrastructure is conductivity sensor technology, which is indispensable across industries like chemical processing, environmental...
How to choose ORP sensors and how to maintain ORP electrodes?
ORP is the oxidation-reduction potential, which is used to reflect the macroscopic oxidation-reduction properties of all substances in aqueous solution. The higher the redox potential, the stronger the oxidation, and the lower the redox potential, the stronger the reduction. A positive ORP value indicates that the solution exhibits certain oxidizing properties, and a negative ORP value indicates that the solution exhibits certain reducing properties. ORP sensors are used to measure the ability...
How to choose a dissolved oxygen sensor for fish farming aquaculture?
Oxygen dissolved in water dissolves oxygen in water in a molecular state. The dissolution and decomposition of oxygen in water is a dynamic and reversible process. The content of saturated dissolved oxygen in water is affected by the comprehensive influence of atmospheric oxygen partial pressure, water temperature and other solute content in water. All aerobic organisms can no longer survive, grow and reproduce without oxygen. The oxygen content in the air is high and stable, accounting for...
What turbidity sensor is suitable for use in seawater?
? Overview Turbidity value is one of the indicators to evaluate the content of suspended matter in seawater. High turbidity values can indicate that there is a large amount of pollutants entering the seawater, such as sediment, suspended particles, organic matter and chemicals. Monitoring turbidity values can help protect marine ecosystems and prevent marine pollution. Seawater contains various salts and chemical substances, and the turbidity sensor needs to have good corrosion resistance to...
How to choose a high temperature pH sensor?
The application of high-temperature pH sensor is also very extensive, in power plants, petrochemicals, metallurgical electronics, mining, papermaking, biological fermentation engineering, medicine, food and beverage and other industries. The pH electrode can continuously monitor the pH value and temperature of the aqueous solution, and the pH controller can also realize the control and output functions. Daruifuno's ASP125E pH glass electrode is an acid and alkali-resistant high-temperature...
What is a combination pH electrode?
The pH sensors developed and produced by Daruifuno are all combination sensors, so what is a combination pH electrode? Today we will explain in detail the meaning of the combination pH electrode. Beginning in 1947, manufacturers of pH sensors have combined indicating and reference electrodes to form a pH electrode. Since then, this combination electrode has been widely used in laboratory and industrial on-line applications. There are two types of combination pH sensors, refillable and...
What is the difference between digital pH sensor and analog pH sensor?
Overview Daruifuno's pH sensors are available in both analog and digital. Analog pH sensors are usually low-cost and can be connected to analog controllers, while digital pH sensors are expensive. So what is the difference between digital pH sensors and analog pH sensors? First of all, the signal output methods of digital pH sensors and analog pH sensors are different. Analog pH sensors usually output only chemical signals, weak voltage signals, and need to be connected to a transmitter to...
How to calibrate the pH sensor?
Overview After purchasing a new pH sensor, the user usually needs to calibrate the pH electrode in order to eliminate the error between the meter and the sensor. So how to calibrate the pH electrode? Today, I will introduce the calibration method of the pH ORP controller of the daruifuno brand. This pH controller supports three-point calibration, and users can modify the calibration points according to their own standard solutions. Before calibrating the pH sensor, we must first ensure that the...
What does temperature compensation of a pH sensor mean?
Overview A pH sensor, also known as a pH meter, is used to measure the pH of a liquid. When discussing pH sensors, temperature compensation is often mentioned. But what does temperature compensation mean? What is Temperature Compensation? The function of temperature compensation is mainly to correct the deviation caused by the difference between the temperature of the standard buffer solution (generally 25°C) used during calibration and the actual temperature of the sample solution. How Does...
Low range Laser Turbidity Sensor OLTU600 for Drinking Water
Overview The OLTU600 Low Range Laser Turbidity Sensor by Daruifuno represents a breakthrough in water quality monitoring technology. Designed specifically for drinking water applications, this advanced sensor delivers laboratory-grade precision in real-world environments. By utilizing laser-based scattering technology, the OLTU600 achieves unmatched accuracy in measuring turbidity levels as low as 0.1 NTU - a critical threshold for ensuring effective removal of pathogens and organic...
Effect of Ammonia Nitrogen Content on Water Quality
Overview Ammonia nitrogen refers to the nitrogen present in water in the form of free ammonia (NH3) and ammonium ions (NH4+). It commonly originates from the decomposition of nitrogen-containing organic matter in domestic sewage, agricultural runoff with nitrogen fertilizers, and emissions from industries such as fertilizer and cement production. Additionally, ammonia-containing exhaust gases from vehicles can dissolve in water, further contributing to ammonia nitrogen contamination. < img...
The effect of pH sensor on activated sludge in sewage treatment
Overview pH sensors are vital for regulating microbial ecosystems in activated sludge, as pH directly impacts sludge settling and treatment efficiency. pH value not only directly affects the type and quantity of activated sludge microorganisms in the treatment process, their life activities, metabolic methods, types and surface characteristics of metabolites, but also is one of the main elements that determine the sludge microbial ecosystem. The sedimentation characteristics of sludge are...
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