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  • June-26 2020 02:14:40

    Please forward to mgranot@hotmail.com the instruction manual and directions for calibrating the probe for a standard buffer solution. What is the correlation between the pH of the solution and the voltage output - is it linear? The probe and circuitry are what I need - but I lack the requested data to integrate the probe into the system. Your expeditious response would be most appreciated.

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  • October-22 2020 04:49:53

    Everthing is working fine. Instructions in the box are in Chinese. But they provided voltage and resistance tables, which can be read easily.

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  • June-23 2020 02:42:10

    Everything is good but there is no description. Neither on the pins, power supply connection method

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  • April-26 2020 03:17:40

    The sensor is working, I calibrated on 6 points, it is also accurate enough. Good product.

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  • October-17 2020 16:33:18

    good

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  • October-17 2020 16:32:20

    good product 👍

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  • October-11 2020 02:12:42

    Relevant product received in time!

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  • October-04 2020 17:44:11

    A+ quality!! Great price

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  • July-14 2020 00:39:52

    5 Star Thank You

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  • June-22 2020 17:04:59

    Ras

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