Thermo-Hydrometer, SafetyBlue 0.800-0.91 Formerly

HB Instruments Hydrometer, Specific Gravity, 0.8 to 0.91 Range, 0.001 Division, 381mm L, 0.001 Accuracy, 60°F Standardizing Temperature, Safety Blue Organic Liquid Filled, with 150°F Range and 2 Division Thermometer, Precision, Combined Form, Individually Serialized, Wax Paraffin and Steel Shot, Conforms to the Accuracy Requirements for ASTM Thermo-hydrometers, 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