Sure Test Pro EC/TDS Pen

    26.80 26.80 26.8 USD


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    - Reads EC, TDS and temperature (ºF or ºC)
    - Automatic temperature compensation (ATC)
    - Auto or manual ranging for EC (uS/mS) and TDS (ppm/ppt)
    - TDS conversion factor is selectable between 400 and 1000
    - Adjustable calibration values
    - Waterproof housing (IP65 rated)
    - Comes with 4x LR44 batteries