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All certified hydrometers are tested and measured against reference hydrometers whose accuracy is traceable to the National Institute of Standards and Technology. Accurate to 1/10 brix.

Standardized at 20 deg C. Sucrose scale in 1/10 divisions. All are serially numbered with certificate enclosed.


Other ranges readily available to order.

Hydrometer, Sucrose, Royal Crown, Certified, w/Red Spirit Therm.