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UPW-BK10 Automatic BOD Rapid Tester

Product ID:HSYJbod024

US$0.00 ~ US$1.00 PDF Format
Supply Ability:50 SETS/MON
Port:SHENZHEN
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  • Product Introduction
  • Consulting
  • Model NumberUPW-BK10
    Brand NameYOUPUTONGYONG
    Payment TermsTT,PAYPAL
    UPW-BK10 Automatic BOD Rapid Tester
     
    Introduction:
    The instrument adopts the microbial electrode method and the flow measurement method. Since the output current of the oxygen electrode is proportional to the content of dissolved oxygen, when the liquid (buffer solution) without any organic matter passes through the flow cell, the assimilation of microorganisms is very small, so through The dissolved oxygen of the microbial membrane is hardly reduced; when the solution containing organic matter passes through the flow cell, the assimilation of the microorganisms becomes very active, consuming more dissolved oxygen, thus reducing the amount of dissolved oxygen permeating the microbial membrane. This change of dissolved oxygen content directly causes a year-on-year change in the output signal of the oxygen electrode, and the change value of the output signal is proportional to the content of organic matter in the sample, and the BOD value is calculated from this.
    testing base:
    Comply with the HJ/T86-2002 standard of the State Environmental Protection Administration "Determination of Water Quality Biochemical Oxygen Demand (BOD) Rapid Determination of Microbial Sensors"
    Listed as a Category A method in the Fourth Edition of Methods for Monitoring and Analysis of Water and Wastewater
    Features:
    1. The instrument adopts the microbial electrode method, and is driven by a peristaltic pump to continuously inject samples at a constant speed to achieve automatic sampling and automatic cleaning.
    2. The instrument can automatically complete the entire detection process. The injection and waste of cleaning solution, standard solution and liquid to be tested are automatically completed by the instrument without manual switching.
    3. Three-electrode integrated core sensor with reference electrode, stable and reliable
    4. The flow cell and the measuring cell are combined into one, which is convenient and quick to measure and clean.
    5. The unique electronic temperature control and constant temperature device is equipped with a gas and liquid double "S" type flow path design on the heat conduction core to realize the constant temperature control of the tested sample and the air used for aeration
    6. Large 7-inch color touch screen operation, display working status and measurement results, with data storage and printing functions
    7. Dry interlayer biofilm can be stored at room temperature for more than one year, and the activation life is more than 30 days
    8. The microbial membrane is made of special bacteria for BOD, which can be directly measured without biochemical culture. It is easy to replace and maintain.
    9. The bacteria are non-toxic and harmless, and have strong anti-toxic and anti-interference ability after long-term domestication, which is conducive to the determination of industrial wastewater with complex components
    Technical parameter  :
    Measuring principle: microbial membrane electrode method
    Signal output: microbial electrode 0-20μA
    Measuring range: 2-4000mg/L (after automatic dilution)
    Sample measurement time: 8-30min adjustable
    Relative standard deviation: ≤5%
    Correlation coefficient: r>0.998
    Communication interface: RS232/USB
    Ambient temperature: 5-42
    Ambient humidity: 80% (20)
  • Introduction:
    The instrument adopts the microbial electrode method and the flow measurement method. Since the output current of the oxygen electrode is proportional to the content of dissolved oxygen, when the liquid (buffer solution) without any organic matter passes through the flow cell, the assimilation of microorganisms is very small, so through The dissolved oxygen of the microbial membrane is hardly reduced; when the solution containing organic matter passes through the flow cell, the assimilation of the microorganisms becomes very active, consuming more dissolved oxygen, thus reducing the amount of dissolved oxygen permeating the microbial membrane. This change of dissolved oxygen content directly causes a year-on-year change in the output signal of the oxygen electrode, and the change value of the output signal is proportional to the content of organic matter in the sample, and the BOD value is calculated from this.
    testing base:
    Comply with the HJ/T86-2002 standard of the State Environmental Protection Administration "Determination of Water Quality Biochemical Oxygen Demand (BOD) Rapid Determination of Microbial Sensors"
    Listed as a Category A method in the Fourth Edition of Methods for Monitoring and Analysis of Water and Wastewater
     
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