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Thread: cant set up KHD

  1. #61
    Join Date
    18.12.2017
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    44

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    Thanks for the advice. I have been sampling for a day now and have been consistently getting measurements around 6.6 (four samples). But my corresponding Hanna Checker reading is 7.8. Is this too big a discrepancy? What would cause a low measurement. My sample volume is 80ml.

  2. #62
    Join Date
    06.07.2013
    Posts
    61

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    Quote Originally Posted by Going Deep View Post
    Thanks for the advice. I have been sampling for a day now and have been consistently getting measurements around 6.6 (four samples). But my corresponding Hanna Checker reading is 7.8. Is this too big a discrepancy? What would cause a low measurement. My sample volume is 80ml.
    Make sure there is no air bubbles in the reagent line and also make sure that the vent pipe is not submerged in water so it can't suck water back into KHD.

    Are you sure that your Hanna reading is accurate?

  3. #63
    Join Date
    30.04.2010
    Posts
    155

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    I checked my salifert test kit and it was reading .7kh high


    might be worth getting a reference solution to check accuracy of the Hanna

  4. #64
    Join Date
    18.12.2017
    Posts
    44

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    I replaced my Hanna Reagent and is now consistent with my KHD measurement. I am also ordering a backup alk measurement for redundancy. Keep fingers crossed.....right now I am loving KHD directxor!

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