H-B DURAC ASTM 90H Precision, Individually Calibrated 1.050/1.100 Specific Gravity Hydrometer (B61898-1600)
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<b>[Product Information]</b><br>
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<li>Conforms to the accuracy requirements of ASTM hydrometers; ASTM No. 90H</li>
<li>Calibrated traceable to NIST standards at three specific gravity points; supplied with a detailed calibration report stating corrections to one-tenth of the smallest division</li>
<li>Measures specific gravity of petroleum products with surface tensions less than 33 dynes in accordance with the American Society of Testing Materials (ASTM) E100 standards; Range: 1.050/1.100; Divisions: 0.0005; Accuracy: ±0.0005</li>
<li>Individually serialized; lead free ballast and glass</li>
<li>Packaged in a recyclable deluxe storage box; Former HB # 90H-FC</li>
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