Search Catalog   By KeywordBy Item #         All Categories    Safety-Blue Precision H-B Instrument Company Toll Free Phone: 800-4 TEST-Lab (USA & Canada only) Worldwide Phone: 610-489-5500 Toll Free Fax: 800-HBI-FAX2 (USA & Canada only) Worldwide Fax: 610-489-9100 Email: info@hbinstrument.com All Categories > Hydrometers > Thermo-Hydrometers > Safety-Blue Precision    Safety-Blue Precision Click on a Product to view details. Specific Gravity Thermo-Hydrometers (at 60°F / 60°F) (9) Brix Sugar Scale Thermo-Hydrometers (at 20°C) (10) API Thermo-Hydrometers (at 60°F) (10) Specific Gravity and Baume Scales Thermo-Hydrometers (at 60°F) (7)