Business Type : Manufacturer, Supplier
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Zeal Hydrometers are precision instruments manufactured from the highest quality glass tubing especially selected to to be free from stain and other defects. Precisely poised with steel shot sealed in a special wax ensures correct alignment. Scales have clearly marked figures and graduations. Temperature adjustment is marked on the scale of each hydrometer. Where applicable the Fiducial Mark (datum line) enables calibration by UKAS Laboratories.