Suzhou Delfino Environmental Technology Co., Ltd.
Dissolved oxygen controller is a device used to monitor and control the dissolved oxygen content in water. Dissolved Oxygen Controllers require a Dissolved Oxygen Sensor to be connected. The sensor is used to measure the dissolved oxygen concentration in the water and transmit the data to the controller. The DO controller controls the dissolved oxygen content in the water body by adjusting other parameters according to the preset dissolved oxygen target range. The dissolved oxygen meter has 2 relays, which can set the closing value and breaking value, and 2-way 4-20mA current output, which can control the device more accurately. The specific control method depends on the requirements of the application and the design of the system
The pH ORP controller is a device used to automatically adjust the pH of a liquid. It is very important in the process control of water quality analysis. First, it can improve production efficiency and product quality. In many industrial processes, pH control is critical. By using a pH controller, it can be ensured that the pH value of the liquid during the production process is always kept within the predetermined range, thereby reducing waste and loss during the production process. Second, pH...
The Advantages of differential signal pH controller is that it can eliminate problems such as electromagnetic interference and electrode polarization, thereby improving the measurement accuracy and stability of pH value. The industrial online pH orp controller can be connected with the pH sensors and ORP sensors to monitor the water quality online in real time. In some special occasions such as power plants, the requirements for controllers and sensors will be different. Daruifuno's APX1-G2 pH...
The online conductivity analyzer is an instrument used to monitor and adjust the conductivity of water quality. The AEC1-T conductivity controller developed and produced by Daruifuno can meet most water treatment applications. Drinking water treatment, industrial water treatment, inline conductivity meter with 2 relays, can automatically adjust chemical additives or other steps to keep the conductivity value of water quality within a certain range. In the wastewater treatment industry, inline...
Ammonia nitrogen refers to the total nitrogen content of ammonia and amino compounds in water. In the process of sewage treatment, ammonia nitrogen is a very important indicator, because it can reflect the degree of decomposition of organic matter and the content of nitrogen in sewage. Therefore, sewage plants need to monitor the value of ammonia nitrogen to ensure the quality and effect of sewage treatment. In the sewage treatment process, the monitoring of ammonia nitrogen is mainly...
Daruifuno's online ammonia nitrogen controller is a digital instrument. It can be connected with the digital ammonia nitrogen sensor of the ion selection method to realize real-time monitoring of the ammonia nitrogen value of the water quality. The ammonia controller is widely used in water treatment plants, sewage plants, industrial production processes, etc., where ammonia nitrogen content needs to be monitored. The ammonia controller has two SPST relays for control system and clean control....
Sewage plants need to control the value of ammonia nitrogen, mainly to protect the environment and human health. The discharge of sewage with high ammonia nitrogen content into the natural environment will lead to problems such as eutrophication of water body and excessive algae reproduction, which will seriously affect the survival of aquatic organisms and the stability of water quality. At the same time, sewage with high ammonia nitrogen content will also pose a threat to human health. For...
The drinking water industry has strict requirements on turbidity values. Turbidity refers to the ability of suspended particulate matter in water to scatter light, and is an index to measure the clarity of water quality. According to the standards of the World Health Organization (WHO), the turbidity of drinking water should be as low as possible, and generally should not exceed 1 NTU (turbidity unit). In some countries and regions, such as the United States and the European Union, the...
This digital infrared turbidity analyzer adopts the 90° near-infrared light scattering principle and conforms to the ISO7027 standard to measure the turbidity of water samples. DUC2-TU turbidity controller can be connected with the digital turbidity sensor to measure the water turbidity values. The controller has two relays and two 4-20mA current output. As a digital turbidity controller, it has RS485 interface and support Modbus protocol. Features Of Turbidity Controller ● Compatible with all...
Turbidity refers to the content of suspended matter in water, usually expressed by the number or concentration of particulate matter in water. These particles can be organic matter, inorganic matter, microorganisms, etc. suspended in water, or sediment, silt, etc. in water. Turbidity is an important indicator of water quality, which can reflect the content of impurities in water and the transparency of water, and is one of the important parameters in water quality monitoring. Monitoring the...
The fluorine ion F- refers to the negatively charged ion formed by the loss of an electron from the fluorine atom. Fluoride ions play important roles in chemistry and biology, such as playing a key role in tooth protection and bone formation. In different industries, it is also necessary to monitor the concentration of fluoride ions in water quality. Fluoride ion is an important indicator in drinking water. High concentration of fluoride ion is harmful to human health. Therefore, it is...
It is very necessary to monitor the conductivity value of wastewater, which can judge the content of dissolved solids in wastewater and the pollution degree of water quality. Conductivity refers to the magnitude of the voltage drop across the conductor when the current passes through a conductor of unit length and unit cross-sectional area, which is related to the ion concentration and ion species in the solution. The higher the dissolved solids content in the wastewater, the higher the...
Fluoride ion is a negatively charged fluorine atom with the chemical formula F-. It is the main ionic form in fluoride compounds. The purpose of monitoring the concentration of fluoride ions in water is to evaluate the fluoride content in water to ensure water quality safety. Fluoride ions are beneficial to the human body in an appropriate amount and can prevent dental caries. However, when the concentration of fluoride ions in water is too high, it may cause negative effects on human health....
The absorption spectrum of the visible light band of chlorophyll has a significant absorption peak in blue light and red light, and the position of the absorption peak and the size of extinction value vary with the chlorophyll species. One of the strongest absorption spectrum regions is in the red part with a wavelength of 640nm-660nm, and the other in the blue-violet part with a wavelength of 420nm-450nm, almost no absorption of green light, so chlorophyll is green under transmitted light, but...
The DUC2-DO dissolved oxygen controller independently developed and produced by Daruifuno can be connected with an optical dissolved oxygen sensor to realize continuous monitoring of the dissolved oxygen value of water quality. In addition to having 2 relays, RS485 interface, time and historical data functions, the dissolved oxygen controller has two 4-20mA current outputs. This enables the ability to control oxygenation using a dissolved oxygen controller. First use a dissolved oxygen sensor...
In order to ensure the safety and reliability of tap water quality, the waterworks need to monitor the water quality. In water quality monitoring, COD is one of the very important indicators. COD is the abbreviation of chemical oxygen demand, which refers to the amount of chemical oxidant required for the oxidative decomposition of organic substances in water. The monitoring of COD can reflect the content of organic substances in water and the degree of pollution of water quality, so it can be...
Wastewater refers to the water body containing various harmful substances produced in the process of production, life and agriculture. Harmful substances in wastewater include organic matter, inorganic matter, heavy metals, etc. These substances will have an impact on the environment and human health. Therefore, in order to protect the environment and human health, wastewater needs to be monitored and treated. Among them, COD value is an important indicator in wastewater monitoring. COD is the...
The COD value is a measure of the concentration of organic matter in water, which reflects the degree of pollution in the water body. Therefore, monitoring the COD value of water quality is essential to protect the environment and safeguard human health. The DUC2-COD online COD controller has two SPST relays which can make control and two 4-20mA current output which can also make control or output the data. If you can use RS485, the controller also support Modbus protocol. The control of COD...
Daruifuno's online COD controller is a digital instrument. It can be connected with digital COD sensor of ultraviolet absorption method to realize real-time monitoring of COD value of water quality. Widely used in waterworks, sewage plants, industrial production processes and other occasions that need to evaluate the COD trend. The COD controller has two SPST relays for control and two 4-20mA current output. Features of COD Controller ● Compatible with all DRFN digital COD sensors; ● Can...
The DUC2-NH ammonia controller of the Daruifuno brand can be connected with the ammonia nitrogen electrode of the ion selection method to realize real-time online monitoring of the ammonia nitrogen value of the water quality. Because ammonia nitrogen has an impact on water bodies, the content of ammonia nitrogen must be strictly monitored in the environmental protection industry. The online ammonia controller has two SPST relays, which can be connected with other devices to control the ammonia...
Daruifuno is a professional manufacturer that develops and produces water quality analysis instruments. The DUC2-PR online digital pH ORP controller developed and produced can be connected with a digital pH or ORP sensor to realize real-time continuous monitoring of water quality pH or ORP value. Thanks to the intelligence and automation of the controller, it is widely used in various industries. Digital pH ORP controllers can ensure water quality meets standards in drinking water treatment,...
The optical dissolved oxygen sensor is more and more favored by various industries because it does not need electrode liquid, does not consume oxygen, and has the characteristics of plug and play. So in which applications do you need a dissolved...
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