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Thread: Kh director reference solution issues

  1. #1
    Join Date
    29.03.2021
    Posts
    2

    Default Kh director reference solution issues

    Hello, I am currently testing with your 7.5 reference reagent, I have got 6.2 6.2 6.3 and 6.2

    I am right in thinking the process of the khd is. Flush the measurement cell then perform a test

    Also I am getting 4-5 bubbles from my sample line filter when it is filling up, I think is is when the khd is priming/flushing the measuring cell.

    No bubbles when the khd is filling back up to do the test

    Is this okay?

  2. #2
    Join Date
    29.03.2021
    Posts
    2

    Default

    I have also calibrated probe and pumps

  3. #3
    Join Date
    27.05.2015
    Posts
    2,358

    Default

    Since the KHD results are consistent, you have two options:
    • Use the adjustment tool (+19%) to compensate for discrepancies in pump calibration
    • Find the discrepancies in the pump head calibration or water sample volume, run a few more tests with the 7.5dkH solution and use the adjustment tool if needed
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