Used to determine the specific gravity of soil in the range of 0.995 to 1.038, or -5 to 60 g/L (using a weight by volume scale), these hydrometers conform to the accuracy requirements of ASTM hydrometers. 280mm (11”) long Lead free ballast and glass Individually serialized …

Degrees API @ 60°F Made from heavy-walled, annealed tubing for maximum strength Built-in, non-mercury thermometer Lead-free ballast Conforms to ASTM accuracy requirements Each thermo-hydrometer comes with a Certificate of Conformance traceable to NIST. Bio-degradable, non-mercury…

Specific Gravity and Baume Scales @ 60°F Made from heavy-walled, anneealed tubing for maximum strength Built-in non-mercury thermometer Lead-free ballast Conforms to ASTM accuracy requirements Each thermo-hydrometer comes with a Certificate of Conformance traceable to…