Vital Sine Refractometer

Largest and sharpest scale display we offer Calibration ring allows very easy calibrations Durable, all-metal design Rubber hand grip eliminates transmission of hand heat to reduce errors Features the largest, sharpest scale displayfor the most accurate salinity and specificgravity readings available (?1.0 percent salinityand ?0.001 specific gravity). Easy, no-toolcalibration, with automatic compensation for shifts in ambient temperature(from 10- 30C). Compact and portable for use anywhere. Metal housing andrubber hood protect unit and prevent light from entering eyepiece. Features built-incalibration ring, no-roll stand, rubber grip to insulate against hand heat, storagecase, instructions, and more. Range: 0 - 100 parts per thousand salinity, 1.000-1.070 specific gravity.Pinpoint 53.0 uS Calibration/Reference Fluid sold separately.Please click on "More Information" for specifications.