H-B DURAC 0/70 Degree Baume Hydrometer (B61804-1000) DURAC Baume plain form hydrometer is for use with liquids heavier than water Range: 0 to 70; divisions: 1; accuracy: 1 Baume 300mm (11.8) in length Individually serialized; features a metal ballast Tested and calibrated in our exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST and DKD/PTB