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What is a Dissolved Oxygen Meter (DO)? Dissolved oxygen is a measure of the amount of gaseous oxygen contained in water. Healthy waters that can support life must contain dissolved oxygen (Dissolved oxygen).Dissolved Oxygen enters the water by:direct absorption from the atmosphere.rapid movement from winds, waves, currents, or mechanical aeration.aquatic plant life photosynthesis as a by-product of the process.What factors affect the measurement of dissolved oxygen in water?Atmospheric pressure sensor: Higher atmospheric pressure allows bodies of water to retain more dissolved oxygen. The pressure from above allows the water to hold more oxygen molecules. Therefore, Dissolved oxygen concentrations are normally lower at higher elevations due to lower atmospheric pressure.Temperature: A body of water with a lower temperature can contain more dissolved oxygen because oxygen molecules have less movement. The increased movement of oxygen molecules in warmer water allows them to escape out of the water into the air.Depth of the water: The shallower the water, the higher the concentration of Dissolved oxygen because wind creating waves on the surface increases Dissolved oxygen, as well as aquatic plants living in shallower light-filled waters create Dissolved oxygen as a by-product of photosynthesis.Salinity: Lower salinity contributes to a higher concentration of Dissolved oxygen because salts affect the solubility of gases, essentially driving them out of the water.Bioactivity: Lower bioactivity of microorganisms in water leads to a higher concentration of Dissolved oxygen because microorganisms feeding on organics and decaying matter use oxygen in their respiration.Why Monitor Dissolved Oxygen in water?Measuring dissolved oxygen in water and treatment to maintain properly dissolved oxygen sensors, are crucial functions in a variety of water treatment applications. While dissolved oxygen is necessary to support life and treatment processes, it can also be detrimental, causing oxidation that damages equipment and compromises the product. Dissolved oxygen affects:Quality: The Dissolved oxygen concentration determines the quality of source water. Without enough Dissolved oxygen, the water turns foul and unhealthy affecting the quality of the environment, drinking water, farming, agriculture, and others.Regulatory Compliance: To comply with regulations, industrial wastewater treatment often needs to have certain concentrations of Dissolved oxygen before it can be discharged into a stream, lake, river, or waterway. Healthy waters that can support life must contain dissolved oxygen.Process Control: Dissolved oxygen levels are critical to controlling the biological treatment of wastewater, as well as the biofiltration phase of drinking water production. In some industrial applications (e.g. power production) any Dissolved oxygen is detrimental for steam generation and must be removed and its concentrations must be tightly controlled.At BOQU water quality analyzer Instrument, find the water quality meter monitoring equipment, resources, training, and software you need to successfully monitor and manage dissolved oxygen levels in your specific process application. DOG-2082YSoptical Dissolved Oxygen Controller DOG-2092ProDissolved Oxygen Meter DOG-2082ProDissolved Oxygen Analyzer DOG-208Fppb Class dissolved oxygen probe DOG-208FAHigh Temperature (130C) dissolved oxygen sensor BH-485-DODigital RS485 Dissolved Oxygen Electrode

Aquatech中国2021will be an unmissable event and trade fair with all sectors of the process, drinking and waste water industries presented under one roof. Aquatech China 2021 will be held on 02-04 June 2021 at National Exhibition and Convention Center, Shanghai, China. Although the world economy is experiencing a period of turbulence, the water treatment industry is less affected than most. Governments around the world are investing in infrastructure as a mean to keep their economies going. Especially China, an emerging market, offers loads of business opportunities.our booth number is NO.: 8.1 H 348.Shanghai BOQU Instrument Company has participated in the Aquatech China Exhibition for many years. In order to comply with the new trends of the entire water quality monitoring industry, the theme of this exhibition is Smart Water + Digital Internet of Things + Water Supply and Drainage Whole Process Measurement. It has monitored and carried many models of water quality analysis instrument and sensor. Digital water quality sensors and integrated water quality monitoring system solutions: In addition to the new Online COD,Ammonia Nitrogen Analyzer, Total Phosphorus, Total Nitrogen Online Analyzer, Online Multi-parameter Analyzer, Heavy Metal Online Analyzer, the won MSI-6088 Water quality monitoring station,MPG-6099 Multi-parameters Water Quality Analyzers, digital water quality electrode, MPF-3099 Buoy Multi-Parameters Monitor, and many other latest research and development water quality monitoring analyzer appeared in this exhibition one by one. SHANGHAI BOQU INSTRUMENT COMPANYVision : To be leader in water quality monitoring instrument Mission: To be brightest eye for water quality monitoring on earthValue : Customer success,Trustworthy,Teamwork,Open-minded CODG-3000Online COD Analyzer NHNG-3010Online Ammonia Nitrogen Analyzer TNG-3020Online Total Nitrogen Analyzer CLG-2059SPOnline Free Chlorine Meter TBG-2088SP Online Turbidity Meter DCSG-2099Multi-parameters Water quality meter DOG-2082YSFluorescence Dissolved oxygen Meter TBG-2088SOnline Turbidity Meter TSG-2087SOnline TSS Meter LSGG-5090Online Phosphate Analyzer GSGG-5089Industrial Silica Analyzer DWG-5088Online Sodium Analyzer BH-485-PHDigital pH Sensor BH-485-ECDigital Conductivity Sensor BH-485-DODigital DIssolved Oxygen Sensor CODS-3000-01Digital COD Sensor BH-485-NHDigital Ammonia Nitrogen Sensor MPG-6099Multiparameters Water Quality Meter

Comparison Test:Standard solution 200mg/l, 5000 mg/l, 12000 mg/l. Reverse test the standard solution after calibration, The sensor is qualified if the measured value is within the error range.Make standard Solution:Weigh 0.5000g of diatomaceous earth (baked at 105°C for 2hours) in a 1L beaker, add 1L of pure water, and constantly stir; the mixed solution is 5000mg/l ;The standard solution configuration method for other concentrations is same as above.Calibration Attention in laboratory:1) Prepare a TSS standard solution of known concentration2) Prepare a black beaker ,because Sunlight has an effect on the light source3) Put TSS Sensor vertical in beaker.4) Ensure sensor head submerged in TSS standard solution.5)Ensure there is no bubble one sensor membrane.6) Ensure distance is over 15 cm between sensor head to bottom of beaker.7) Distance is over 3 cm between side of sensor to side of beaker.8) In order to ensure that the measured water sample or standard solution is uniform, user should use magnetic stirrer to do evenly stirring when on calibration. Magnetic MixerSuspended Solid Sensor Suspended Solid Sensor in black beakerInstallation at site:The sensor needs to be installed horizontally (velocity ≤2.5m/s) where the water velocity is high(velocity ≤2.5m/s),it is advisable to install it in a place where the water flow is slow along the direction of the water flow. TSG-2087S Online Suspended Solid MeterTSG-2087S Online Suspended Solid Meter TSG-2087S Online Suspended Solid Meter

Aquatech中国2021takes place at the newly built National Exhibition and Convention Center (Shanghai) from 2- 4 June. The event brings together the worlds of water technology and water management, aiming to present integrated solutions and holistic approaches to water challenges that Asia is facing. When2 - 4 June 2021Wednesday 2 June 20201:09:00 - 17:00 hrsThursday 3 June 2021:09:00 - 17:00 hrsFriday 4 June 2021:10:00 - 18:00 hrsWhereNational Exhibition and Convention Center (Shanghai) South entrance, No.168 East Yinggang Rd.Qingpu District, Shanghai P.R. ChinaBOQU Instrument: Expert in Water Quality Analysis InstrumentBooth NO.: 8.1 H 348Email:michael@shboqu.com;Leon@shboqu.comFactory address: No. 118 Xiuyan Road, Pudong New Area, Shanghai, zip code:201315, China.In today's world, our earth faces many environmental problems, especially in water quality. As a leading manufacturer in water quality analyzers, BOQU Instrument will use all technologies to solve problems related to human and earth survival and always be the guardians of the earth's water quality. BOQU Instrument’s online water quality analyzer is mainly used to test pH, conductivity, TDS, dissolved oxygen, turbidity, residual chlorine, suspended solids, TSS, ammonia, water hardness, silica, phosphate, sodium, BOD, COD, ammonia nitrogen, total nitrogen, chloride, lead, iron, nickel, fluoride, copper, zinc, etc. CODG-3000Online COD Analyzer NHNG-3010Online Ammonia Nitrogen Analyzer TNG-3020Online Total Nitrogen Analyzer CLG-2059SPOnline Free Chlorine Meter TBG-2088SP Online Turbidity Meter DCSG-2099Multi-parameters Water quality meter DOG-2082YSFluorescence Dissolved oxygen Meter TBG-2088SOnline Turbidity Meter TSG-2087SOnline TSS Meter LSGG-5090Online Phosphate Analyzer GSGG-5089Industrial Silica Analyzer DWG-5088Online Sodium Analyzer BH-485-PHDigital pH Sensor BH-485-ECDigital Conductivity Sensor BH-485-DODigital DIssolved Oxygen Sensor CODS-3000-01Digital COD Sensor BH-485-NHDigital Ammonia Nitrogen Sensor MPG-6099Multiparameters Water Quality Meter