Proof Precision Hydrometers



Your choice of 1 of the following overlapping proof ranges: (0-110, 100-160, 160-200). These hydrometers have been perfectly calibrated @ 60°F and in accordance with N.I.S.T. Standards. Each hydrometer comes with a Certificate of Conformance which will appease most Quality Assurance Programs. (we offer certified hydrometers for an additional charge).

Free shipping to the lower 48 states only.

If you have any questions about our products, please give us a call. (717) 453-7171
We have trained technicians waiting to answer your questions!
Our hours of operation are Monday thru Thursday 7 AM-5 PM EST.


Check out the pdf below for information on the use and care of your hydrometer(s):

Specific Gravity Wine Distilled Spirits WEB

Additional information


D1 Proof Precision Hydrometer 0-110, D2 Proof Precision Hydrometer 100-160, D3 Proof Precision Hydrometer 160-200