H-B DURAC 29/41 Degree API ASTM 4H Hydrometer (B61893-0400)
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<b>[Product Information]</b><br>
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<li>Conforms to the accuracy requirements of ASTM hydrometers; ASTM No. 4H</li>
<li>Measures the relative densities (specific gravity) of oil and petroleum products in accordance with the American Petroleum Institute (API) and the American Society of Testing Materials (ASTM) E100 standards</li>
<li>Individually serialized; lead free ballast and glass</li>
<li>Length: 330mm (13"); Range: 29/41 degrees; Divisions: 0.1 degrees; Accuracy: ±0.1 degrees</li>
<li>Packaged with a multi-language (English, French, German, Italian, Portuguese, and Spanish) Statement of Accuracy indicating accuracy traceable to NIST; Former HB # 4H</li>
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