Hydrometer, ASTM 151H, 0.995/1.038Specif Formerly

HB Instruments Hydrometer, Soil Analysis ASTM, 0.995 to 1.038 Specific Gravity Range, 0.001 Division, 280mm L, ASTM No. 151H, 0.001 Specific Gravity Accuracy, 68°F/68°F Standardizing Temperature, Individually Serialized, Feature Metal Ballast, For Determining Specific Gravity of Soil, Conforms to ASTM Specifications, 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