Standards, T, GFS Chemicals, SS KIT
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Kit contains 1.8, 18 and 180 NTU standards required to calibrate the Hach Ratio/XR and Ratio 2000 instruments in the lower ranges. The deluxe kit also contains sealed secondary standards of each value.
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AMCO Clear® Calibration Kit, for Hach Ratio 18900
GFS ChemicalsKit contains 1.8, 18 and 180 NTU standards required to calibrate the Hach 18900 instrument. The deluxe kit also contains sealed secondary standards of each value.
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