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No. 38, West Section of Century Road, Pulandian District, Dalian City, Liaoning Province
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Dalian Yiste Technology Co., Ltd
Digital pH meter
NegotiableUpdate on 01/14
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Overview
The YST109B-HP880 digital pH meter launched by Dalian Yister is an analytical instrument that accurately measures the pH value of a solution through digital technology. It is widely used in various scenarios that require monitoring the acid-base balance of water quality. Its core function is to convert the electrochemical signals detected by the electrodes into intuitive digital readings, providing data support for production, processing, and monitoring processes. The market guidance price for this model is 5500.0 yuan, and the actual price may vary due to different parameter configurations.
Product Details
Full dimensional analysis of Dalian Yister YST109B-HP880 instrument
The YST109B-HP880 model launched by Dalian YisterDigital pH meterIt is an analytical instrument that accurately measures the pH value of a solution through digital technology. It is widely used in various scenarios that require monitoring the acid-base balance of water quality. Its core function is to convert the electrochemical signals detected by electrodes into intuitive digital readings, providing data support for production, processing, and monitoring processes. The market guidance price for this model is 5500.0 yuan, and the actual price may vary due to different parameter configurations.
1、 Product Introduction
YST109B-HP880 型Digital pH meterIt mainly consists of four parts: pH electrode, signal amplification circuit, digital to analog conversion module, and display and operation unit.
The pH electrode is responsible for contacting the solution, sensing the concentration of hydrogen ions, and generating weak potential signals;
The signal amplification circuit amplifies weak signals to reduce external interference;
The analog-to-digital conversion module converts analog signals into digital signals;
The display unit directly presents the pH value, and some devices also support data storage, export, and network transmission.
Compared to traditional pointer pH measuring instruments, this instrument has significantly improved reading accuracy, ease of operation, and functional scalability.
2、 Advantages and Characteristics
High measurement accuracyOur YST109B-HP880 instrument adopts digital signal processing technology, with measurement accuracy controlled within ± 0.01pH. Some high-precision configuration models can reach ± 0.001PH, which can meet the stringent water quality monitoring requirements.
Convenient operationThe instrument is equipped with a clear LCD or OLED display screen, supports one click calibration, automatic temperature compensation (ATC), and can be quickly operated without the need for professional personnel, reducing operational errors.
Easy data managementMost configurations of this instrument support interfaces such as USB and RS485, which can transmit measurement data in real-time to a computer or central control system, enabling data storage, curve analysis, and historical record tracing, avoiding manual recording issues.
Strong environmental adaptabilityThe electrode material of this instrument is mostly made of glass or composite materials that are resistant to acid and alkali and pollution. The body is designed to be waterproof and dustproof, and can work stably in humid and highly corrosive on-site environments.
3、 Technical parameters
parameter category |
Conventional scope |
Instructions |
measurement range |
0.00~14.00pH |
Covering the pH range of the vast majority of aqueous solutions |
measurement accuracy |
± 0.01pH (at 25 ℃) |
Temperature changes can affect accuracy and depend on ATC |
Temperature compensation range |
0~100℃ |
The Influence of Automatic Temperature Compensation on pH Measurement |
calibration method |
1-3 point calibration (commonly used pH 4.00, 6.86, 9.18 buffer solutions) |
Ensure measurement accuracy in different pH ranges |
data storage |
1000~10000 sets |
Some models support circular storage or cloud storage |
power supply method |
DC power supply (9V/12V) or battery |
On site use can choose portable battery power supply |
4、 Selection criteria
Select by measurement object：
Clean water bodies (such as tap water and purified water): It is recommended to choose the YST109B-HP880 conventional precision (± 0.01pH) configuration with ordinary glass electrodes;
Sewage and wastewater (such as chemical wastewater and hospital wastewater): It is necessary to choose this model with anti pollution electrodes (such as PTFE membranes) and corrosion-resistant body configuration to avoid electrode blockage or damage.
Select based on environmental conditions：
On site mobile measurement (such as river monitoring and pipeline inspection): Priority should be given to the YST109B-HP880 portable configuration, which requires lightweight, long endurance, and waterproof rating ≥ IP65;
Fixed online monitoring (such as aeration tanks in sewage treatment plants and thermal heating systems): Choose this model for online configuration, which supports continuous monitoring, automatic cleaning, and alarm functions.
Select according to functional requirements：
Basic monitoring: Select the YST109B-HP880 configuration that only has the functions of displaying pH value and one click calibration;
Intelligent management: Select configurations with data export, remote transmission (such as 4G/Wi Fi), and over limit alarm (sound and light or SMS) functions, and adapt to the central control system.
5、 Application industry
sewage treatment plantIn sewage treatment plants, our YST109B-HP880 instrument is used for pH monitoring at the inlet (to determine whether the water quality is suitable for subsequent treatment), pH regulation in the aeration tank (to ensure microbial activity), and pH detection at the outlet (to ensure compliance with discharge standards, typically requiring a pH of 6-9).
Water treatment plant/water purification plantIn waterworks and water purification plants, this instrument is used to monitor the pH value of raw water (to avoid corrosion of pipelines by acidic water), adjust the pH in the coagulation and sedimentation process (to improve the effectiveness of water purification agents), and control the pH of the finished water (to ensure the sense of drinking water outlet and pipeline safety).
Municipal water supply networkInspect the pH of the water at the end of the pipeline network using the YST109B-HP880 portable instrument, identify any abnormal pH caused by pipeline aging, and prevent secondary pollution of the water body.
Environmentally Friendly Water TreatmentIn industrial wastewater pretreatment and river treatment, this instrument is used to monitor the pH of water in real time, guide the dosage of acid-base neutralizing agents, and reduce treatment costs.
Thermal heatingMonitor the pH value of heating circulating water (usually controlled between 8.5~10.5) to avoid corrosion of pipelines by acidic water or scaling by alkaline water, ensuring the efficiency of the heating system.
Hospital wastewater treatmentHospital wastewater contains disinfectants, pharmaceuticals, and other components with large pH fluctuations. It needs to be monitored and adjusted using this instrument to ensure stable operation of subsequent disinfection and biochemical treatment processes.
Chemical wastewater treatmentChemical wastewater often contains strong acids and alkalis, and it is necessary to use the YST109B-HP880 high-precision configuration instrument for real-time monitoring to avoid damage to treatment equipment caused by excessive acidity and alkalinity, while ensuring compliance with discharge standards.
River water quality monitoringThe portable or online configuration of this instrument can monitor the pH of the river for a long time, assisting in determining whether the water body is polluted (such as industrial wastewater discharge causing a sudden increase or decrease in pH).
Smart rural water managementIn rural centralized water supply stations and sewage treatment stations, this instrument is used to achieve automated monitoring of water quality, reduce manual maintenance costs, and ensure rural water safety.
6、 Technology Trends
Intelligent upgradeIn our technological research and development, Dalian Yister focuses on the intelligent upgrade of instruments and plans to integrate AI algorithms to automatically identify water quality interference factors (such as turbidity and ion concentration) and correct measurement results. At the same time, we support remote diagnosis (such as electrode life warning and equipment failure indication).
Multi parameter integrationFrom single pH measurement to multi parameter monitoring of "pH+temperature+turbidity+conductivity", an upgraded YST109B-HP880 instrument can obtain multiple water quality indicators, reducing equipment deployment costs.
Low power consumption and long battery lifeFor portable configurations, we use low-power chips and energy-saving modes. The battery life of the YST109B-HP880 portable instrument has been increased from the traditional 8 hours to over 24 hours, meeting the needs of long-term field inspections.
Green and environmentally friendly designIn the selection of electrode materials, recyclable materials are used to reduce the pollution of waste electrodes to the environment; The device body is made of environmentally friendly plastic, which complies with environmental standards such as RoHS.
7、 User reviews
Operator of a certain sewage treatment plantThe YST109B-HP880 instrument from Dalian Yister is very stable. Previously, manual measurements had to go to the site 5 times a day. Now, the central control room can view real-time data, and when it exceeds the standard, an alarm will be triggered, saving a lot of manpower. Moreover, exporting the data and creating reports is also convenient. ”
Technical personnel of a certain water supply plantThe configuration of Dalian Yister YST109B-HP880 with automatic temperature compensation is very practical. When the water temperature is low in winter, the measurement accuracy can be maintained stably, and the pH of the factory water can always be maintained at around 7.5, which meets national standards. ”
Monitoring personnel of a certain river channelThe YST109B-HP880 portable instrument from Dalian Yister is lightweight and has good waterproof performance. It can be used to measure by the river on rainy days without any problem. Its battery life can meet the daily usage needs, and data can be directly transmitted to a mobile app without handwritten recording, resulting in significant efficiency improvement. ”
Logistics personnel of a certain hospitalThe Dalian Yister YST109B-HP880 model, equipped with anti pollution electrodes, is very durable. Previously, ordinary electrodes were used to measure hospital wastewater, but blockages occurred in half a month. Now, this model can be used for three months, with reduced maintenance costs and accurate measurement data. There have been no instances of over standard emissions. ”
8、 Application Cases
Case 1: A municipal sewage treatment plant
Application scenariosReal time monitoring and regulation of pH in aeration tank
facing problemsThe fluctuation of pH in the aeration tank can affect the efficiency of microbial degradation. The long interval between manual measurements can easily miss the adjustment opportunity, resulting in effluent COD not meeting the standard.
SolutionInstall our YST109B-HP880 online instrument from Dalian Yister, set the pH threshold (6.5~7.5), automatically trigger the dosing pump (add sodium hydroxide or hydrochloric acid) when it exceeds the standard, and transmit real-time data to the central control room.
Application effectThe pH of the aeration tank is stable at around 7.0, the microbial activity is improved, the COD compliance rate of the effluent is increased from 92% to 99%, and the frequency of manual dosing is reduced by 60%.
Case 2: A county-level water supply plant
Application scenariosPH monitoring of raw water and factory water
facing problemsThe raw water comes from the reservoir, and during the rainy season, the pH drops below 6.0 (acidic), which corrodes the water supply pipeline; The pH of the factory water is unstable, and users have reported poor taste.
SolutionInstall one YST109B-HP880 instrument at each of the raw water inlet and the factory water outlet. When the pH of the raw water is below 6.5, it automatically adds lime to the reaction tank for adjustment; Real time monitoring of pH in factory water to ensure it is within the range of 7.0~8.0.
Application effectThe corrosion rate of water pipelines has decreased by 50%, complaints about water quality at the factory outlet have decreased by 80%, and the water quality compliance rate is 100%.
Case 3: Chemical wastewater treatment station in an industrial park
Application scenariosPre treatment of chemical wastewater and pH adjustment
facing problemsChemical wastewater contains sulfuric acid and nitric acid, and the pH is often as low as 2.0 or below. Directly entering the biochemical tank will affect microbial activity, and there will be large deviations in the dosage of manually adjusted chemicals, resulting in high treatment costs.
SolutionWe use our Dalian Yister YST109B-HP880 high-precision configuration instrument (measurement accuracy ± 0.001PH) to monitor the pH of wastewater in real time, automatically adjust the dosage of sodium hydroxide solution based on the reading, and ensure that the pH rises to 6.5-7.5 after pretreatment.
Application effectAfter pretreatment, the pH of the wastewater remained stable, the survival rate of microorganisms in the biochemical tank increased from 60% to 95%, the compliance rate of chemical wastewater treatment increased from 85% to 98%, the dosage of chemicals decreased by 15%, and the treatment cost decreased.
Case 4: A smart rural water project
Application scenariosWater quality monitoring of rural centralized water supply stations
facing problemsRural water supply stations lack professional technical personnel, and the frequency of manual monitoring is low, which makes it difficult to detect abnormal water quality pH in a timely manner and poses a water safety hazard.
SolutionInstall our small online YST109B-HP880 instrument from Dalian Yister, transmit data to the county water department supervision platform via 4G, set up a pH over limit (<6.5 or>8.5) SMS alarm, and notify the maintenance personnel of the water supply station.
Application effectThe response time for abnormal water quality has been shortened from 24 hours to 1 hour, and complaints about rural residents' water use have been reduced by 90%, achieving "unmanned and remote supervision".
If needed, we can compile a selection and application scenario matching table for the YST109B-HP880 instrument for you. The table will specify the core requirements, recommended configuration types (online/portable), and key parameters for different industries (such as sewage treatment plants and water plants), making it easy for you to quickly query and make decisions.
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