ITEM#: 2541-B618980100
MFR#: B61898-0100
H-B Instrument Durac API ASTM Hydrometers with Individual Calibration Report; Traceable to NIST, Specific Gravity Range: 29 to 41 deg., ASTM Number: 4H, Length: 330mm, API ASTM Hydrometer with Individual Calibration Report, Accuracy: +/-0.1