Messages Us
  • Q

    How to choose parameters for different industries?

    A

    Generally speaking, conventional ginseng, COD, ammonia nitrogen more.

  • Q

    Which is better, dissolved oxygen fluorescence method or polar universal method?

    A

    Fluorescence method is optical, more stable value, simple maintenance, labor cost saving, long life;  Polar universal method is the need to consume electrolyte, numerical interference factors.  

  • Q

    How long is the shelf life of each standard fluid?

    A

    The liquid is not opened for 3 months, one week after the liquid is opened.

  • Q

    What range should the flow rate be controlled in the flow tank?

    A

    A maximum of 2M/S is recommended.

  • Q

    In which scenarios are your sensors applied more often? Is the drain outlet usable?

    A

    The surface water is in the majority, and the sewage outlet can be used, depending on the situation of the sewage outlet.  

  • Q

    What is the membrane of ammonia nitrogen, what is it used for?

    A

    PVC film for ion exchange.

  • Q

    How often is the sensor monitored and how often does the brush turn?

    A

    The monitoring frequency is based on the frequency of sending instructions. The default brush is once every six minutes.  

  • Q

    Why is three-point calibration for pH?

    A

    There are three points for PH calibration, which need to be calibrated according to the PH, such as 0-7 with 4 and 6.86 standard liquid calibration, 7-14 with 6.86 and 9.18 calibration.  

  • Q

    What is the difference between COD and BOD?

    A

    COD is chemical oxygen demand and BOD is biological oxygen demand.

  • Q

    The sensor does not have a display screen, so how does the data display?

    A

    Our sensor is 485 output, mainly for integration use, we also has upper computer can be used to display.  

  • Q

    Do you provide installation service? How much do you charge?

    A

    Our company can provide free telephone to assist the installation, if the installation requires personnel to charge, the specific cost will be determined according to the site situation.  

  • Q

    What sensors are available with interchangeable electrodes? Can I replace it by myself?

    A

    At present, there is PH and ammonia nitrogen, which can be replaced by themselves, but it is not recommended for customers to replace by themselves.  

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