Overview
The H-B Instrument 8VP02 DURAC hydrometer (former model 50310, current part number B61806-0100) is a precision dual-scale glass hydrometer designed for measuring both specific gravity and Baume degrees. This model is packaged with a multi-language Statement of Accuracy indicating accuracy traceable to NIST, making it ideal for laboratory, pharmaceutical, food and beverage, and industrial testing applications.
Key Features
- Lead-free ballast and glass construction with individual serialization
- NIST-traceable accuracy with hand inspection by U.S. quality team in ISO/IEC 17025:2005 and A2LA accredited facility
- Temperature standardization of 60°F (15°C)
- Dual-scale design for both specific gravity and Baume measurements
- Plain form construction suitable for standard laboratory glassware racks
Technical Specifications
- Specific Gravity Range: 0.700 to 1.000
- Baume Range: 10 to 70 degrees
- Temperature Standardization: 60°F (15°C)
- Material: Lead-free glass with lead-free ballast
- Form: Plain form hydrometer
- Accuracy: NIST-traceable
- Length: Approximately 165 mm (6.5 inches)
- Ballast Type: Lead-free
- Certification: ISO/IEC 17025:2005 and A2LA accredited
- Former Part Number: 50310
- Current Part Number: B61806-0100
Typical Applications
These hydrometers are used in chemistry, pharmacology, food and beverage, and starch industries to measure specific gravity and Baume of liquids lighter and heavier than water. Common applications include:
- Pharmaceutical and chemical formulation testing
- Brewing and beverage quality control
- Starch and syrup density measurement
- Laboratory liquid analysis and quality assurance
- Educational laboratory demonstrations
Compatibility & Replacements
Compatible With
- Standard laboratory glassware and test cylinder racks
- Laboratory benchtop and portable test equipment setups
- Any application requiring dual Baume/specific gravity measurement
- ISO/IEC 17025:2005 accredited laboratory environments
Replaces / Drop-In Replacement For
- H-B Instrument model 50310 (original part number)
- Direct replacement for legacy DURAC 0.700–1.000 Sp Gr / 10–70 Baume hydrometers
Works With
- Laboratory Information Management Systems (LIMS) for data logging
- Quality control documentation and calibration tracking systems
- Standard laboratory practice procedures (USP, BP, EP)
- NIST-calibrated measurement protocols






