The Boom Hydrometer (often referred to as a “Heavy Liquid” or “Baume” hydrometer) with a range of 1.000 to 2.000 is a specialized instrument used to measure the specific gravity or density of liquids heavier than water.
Key Specifications
- Measurement Range: 1.000 – 2.000 Specific Gravity (Sp. Gr.).
- Dual Scale: Often includes a Baume scale (0 – 70°Be) alongside specific gravity.
- Design: Typically made of glass, approximately 11 inches (280mm) long, and loaded with iron shot to ensure it floats upright.
- Accuracy: Graduation is usually in 0.010 increments.
Primary Uses
- Industrial: Measuring the density of chemicals, pharmaceuticals, and oil products.
- Quality Control: Assessing the purity and composition of heavy or viscous liquids in manufacturing and research.
- Laboratory & Home: Used for general heavy liquid testing in labs or specialized home applications.
Applications
The 1000-2000 range is ideal for dense substances where water (1.000 S.G.) is the lowest baseline:
- Chemical Industry: Measuring the concentration of acids, alkalies, and brine solutions.
- Pharmaceuticals: Quality control for liquid medications and viscous syrups.
- Food & Beverage: Monitoring sugar content in dense fruit concentrates and honey.
- Petroleum: Assessing the density of heavy oil products.
- Battery Testing: Checking the state of charge in heavy lead-acid battery electrolytes.

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