H-B DURAC 0/35 Degree Baume Hydrometer (B61804-0700) DURAC Baume plain form hydrometer is for use with liquids heavier than water Range: 0 to 35; divisions: 0.5; accuracy: 0.5 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