Hydrometer, DURAC, 50/100%, Isopropyl Formerly Par
HB Instruments Hydrometer, Isopropyl Alcohol, 50 to 100 Range, 1 Division, 260mm L, 1% Accuracy, 20°C/20°C Standardizing Temperature, Measures Percent by Volume of Isopropyl Alcohol, 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