H-B DURAC Safety 1.000/1.220 Specific Gravity Combined Form Thermo-Hydrometer (B61821-0400)
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<b>[Product Information]</b><br>
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<li>Conforms to the accuracy requirements for ASTM thermo-hydrometers</li>
<li>Combined form; measures specific gravity/relative density (g/cubic cm) of a variety of liquids; Range: 1.000/1.220</li>
<li>Built-in thermometer contains mercury-free blue spirit organic liquid fill; temperature scale 0/150 degrees F</li>
<li>Individually serialized; lead free ballast and glass</li>
<li>Packaged with a multi-language (English, French, German, Italian, Portuguese, and Spanish) Statement of Accuracy indicating accuracy traceable to NIST; Former HB Instrument # 50930</li>
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