Hydrometer, DURAC, 69/80%, Proof Formerly Part# 68

HB Instruments Hydrometer, Alcohol Proof, 69 to 80% Range, 0.1 Division, 368mm L, 0.1% Accuracy, 60°F Standardizing Temperature, High Precision, For Distilling and Rectifying, 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