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| Name: | Bellwether | | Model: | Plain Form Specific Gravity Hydrometers | | Description: | Specific Gravity is the standard scale for what a hydrometer measures. Specific gravity is the ratio of the density of your sample at 60°F to the density of water at 60°F. |  |
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| Name: | Bellwether | | Model: | Plain Form ASTM Specific Gravity Hydrometers | | Description: | Manufactured in strict accordance to specifications of ASTM (American Society for Testing and Materials) for accuracy and design. All instruments are suitable for use as a primary reference standard with NIST traceability. |  |
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| Name: | Bellwether | | Model: | Dual Scale Specific Gravity & Baumé Hydrometers | | Description: | Dual scale hydrometer features the standard specific gravity scale and a Baumé scale for liquids heavier than water, such as syrups. |  |
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| Name: | Ertco | | Model: | Plastic Specific Gravity Hydrometers | | Description: | Plastic hydrometers are fabricated from polycarbonate (PC), which makes the instrument shatterproof, while offering glass-like clarity for ease of reading. |  |
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