Description
KIMBLE® Hydrometers are manufactured from glass in accordance with ASTM standards for use in market segments including petrochemical, environmental, pharmaceutical, and the food & beverage industry. The devices are floated in a liquid sample, and a graduated scale is read to measure the relative density or specific gravity of the solution in units appropriate to the application. In order to produce a more environmentally friendly instrument, the ballast is made from steel pellets plus a binder, and is free of heavier, toxic metals. Finally, the certificate of traceability included with each Kimble® hydrometer indicates that they are manufactured using devices calibrated using NIST traceable standards.
The American Petroleum Institute scale is used to measure the specific gravity of a liquid relative to water. A sample with an API gravity value greater than 10 is lighter than water, and an API gravity value less than 10 is heavier than water. Although specific gravity does not have units, the API scale is graduated in degrees, and was designed such that most values would fall between ten and seventy API gravity degrees. According to Perrys Chemical Engineers Handbook (8th Edition), DEG API 141.5/sp gr -131.5.
• Calibrated to ASTM specification to ensure accuracy
• Manufactured from soda-lime glass
• With API scale graduated in degrees
• The certificate of traceability indicates that the hydrometers are manufactured using devices calibrated using NIST traceable standards.
• A serial number is printed on the scale, a certificate of traceability is included
• The ballast is made from steel pellets and a binder, and it is free of heavier metals.
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