Cole-Parmer B61891-0600 - H-B Durac Plain-Form Glass Hydrometer, ASTM 88H, 0.950-1.000 SG/0.0005 GO-08297-93

• NIST Traceable • Temperature of Standardization 60°F/60°F • Conform to ASTM Specifications • Metal Ballast • Individually Serialized These hydrometers conform to the accuracy requirements for ASTM hydrometers. Scales are affixed with clear epoxy. Each hydrometer is calibrated in a triple accredited ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST. Individually packaged with a multi-language Statement of Accuracy indicating accuracy traceable to NIST.