-Automatic Temperature Compensation
-Salinity Range 1 to 100ppt
-Accuracy ±0.1 percent
-Anti-slip rugged body
This rugged, lightweight aluminum body refractometer has all the features and precision of much more expensive models. The dual scale also reads specific gravity to within ±0.001. Includes a solid storage case, pipette, cleaning cloth and instructions. Use with Aqualife Refractometer Calibration Standard solutions for the MOST accurate readings.