ITEM#: 2541-B618980100 CA
MFR#: B61898-0100 CA
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