DENSITY METER SG-ULTRA Digital Hydrometer / Density Meter measures the specific gravity, density and density-related values of your sample and shows the measuring results within seconds, ready for storage, printout or export to a PC. The SG-ULTRA allows the user to quickly & safely, test and record the temperature compensated value of their sample.  SG-ULTRA Features: â–  Accurate: 99.999% Accurate. â–  User-friendliness: Compact, lightweight design enabling one-hand measurement. â–  Robustness: Rugged, comes with protective boot. â–  Wireless communication: Infrared data interface for data exchange with a PC and data export to a printer. â–  Efficiency: Storage of up to 26 sample IDs for easy sample identification.     Storage of up to 1200 measurement results including timestamp and sample ID. SG ULTRA Technical Specifications Specific Gravity/Density Range : 0.0000 to 2.0000 g/cm3 Specific Gravity/Density Resolution :0.0001 g/cm3 Temperature Range :0°C ~ 40°C (32°F ~ 104°F) Temperature Accuracy :± 0.5°C Power Supply:(2) AAA batteries ~ Approx. 90 hrs. battery life Factory Calibration :Automatic, Based on pure water Size:  9″l x 4.5″w x 2.5″h  12.7 oz. Sample Tube: 7″ x 1/8″ dia. Different sizes available upon request