ITEM#: 2541-B618930500
MFR#: B61893-0500
H-B Instrument Durac API ASTM Hydrometers, ASTM Number: 5H, Specific Gravity Range: 39 to 51 deg., Accuracy: +/-0.1 deg. API, Length: 330mm, Increments: 0.1 deg. API, Certifications/Compliance: Traceable to NIST