Hydrometer, DURAC, 30/50%, Proof Formerly Part# 64

HB Instruments Hydrometer, Alcohol Proof, 30 to 50% Range, 0.2 Division, 250mm L, 0.2% Accuracy, 60°F Standardizing Temperature, Precision, For Waste Liquors, Individually Serialized, Feature Metal Ballast, Include Multi-language Statement of Accuracy, Tested and Calibrated in Exclusive Triple Accredited/Registered ISO/IEC 17025:2005, A2LA Accredited Laboratory Against Equipment whose Calibration is Traceable to NIST and DAkkS - BEL