Hydrometers from GH Zeal for a wide range of uses and specifications.

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. Zeal manufacture a multiplicity of hydrometers from Commercial Grade suitable for general use in laboratories and universities to hydrometers in accordance with British, ASTM, API and other international recognized standards as well as hydrometers for specific applications, such as Draft Survey, Potato, Alcohol, Brix, Twaddle etc. Works and UKAS Certified Calibration Certificates are available for the majority of hydrometers.