Vee Gee Scientific* Soil Colloid Hydrometer - Each

Used to measure specific gravity of soil suspensions. ASTM Method D 422 specifies 350-46303 (ASTM 151H) or 350-46306 (ASTM 152H) for grain-size analysis of soils. Hydrometers are calibrated to 20 DEG C (68 DEG F).

General Specifications for VEE GEE ASTM Hydrometers: Manufactured in strict accordance to specifications of ASTM (American Society for Testing and Materials) for accuracy and design. All instruments are suitable for certification for use as a primary reference standard with NIST traceability.

Optional Accessories (sold separately):
• PVC Jumbo Hydrometer Case, 13.5 in. (Spectrum Cat. No. 350-98107)
• Certification Traceable to NIST (Spectrum Cat. No. 350-45652)

Note: NIST Certification must be ordered at the same time as the hydrometer

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