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The Herculometer is calibrated to 60°F (15.5°C).

This Herculometer Precision Scale Hydrometer accurately measures your beer, wine, mead or cider’s final gravity. Measuring a range of 0.980 to 1.020, this particular hydrometer gives the most precise measurement of your final gravity possible. Its highly durable polycarbonate plastic means that you shouldn’t worry about this one lasting all the way to your final gravity check.


We offer other Herculometers to zoom-in on different gravities:

Triple Scale Hydrometer, a multi-purpose hydrometer

1.000 to 1.070 Precision Hydrometer, for checking original gravity of beers of normal to moderate strength

1.060 to 1.130 Precision Hydrometer, for checking original gravity of big, strong beers

This precise and tough Herculometer Precision Scale Hydrometer is ideal for measuring final gravities, with a range of 0.980 to 1.020.


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Light and unbreakable
Review by
There is few point discrepancy between my well calibrated hydrometer and this one
I can finally SEE when its done.!
Review by
Fantastic hydrometer with a big scale that is easy to read. No questioning now whether or not your beer has dropped another point overnight or anything like that. You can easily see when your beer has finished fermenting. An invaluable bit of kit and well worth the relatively low cost.
Great for more precision
Review by
I bought the 0.980 to 0.020 hydrometer to get more accurate measurements of the finishing gravity of my beers. It is much easier to read the narrow range for that all important final SG. The plastic construction makes it more robust than the glass versions. Very pleased with my purchase.
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