Bel-Art H-B DURAC 79/91 Degree API ASTM 9H Hydrometer

H-B DURAC 79/91 Degree API ASTM 9H Hydrometer

These plain form hydrometers are available in a variety of models measuring the relative densities (specific gravity) of oil and petroleum products in various ranges from -1° to 96°API in accordance with the American Petroleum Institute (API) and the American Society of Testing Materials (ASTM) E100 standards.

• Conform to the accuracy requirements of ASTM hydrometers
• Lead free ballast and glass
• Individually serialized
• Temperature standardization: 60°F/60°F
• Hand inspected by our U.S. quality team
• Packaged with a multi-language (English, French, German, Italian, Portuguese, and Spanish) Statement of Accuracy indicating accuracy traceable to NIST

Note: Hydrometers should be stored in a clean, dry, safe place, and should not be subjected to extreme temperatures.