This refractometer comes pre-programmed with all of the following scales:
Wrestling Refractometer – Human Urine Scale – Urine Specific Gravity – MISCO Digital Refractometer
Refractometers have been proven time and time again to be more accurate than hydrometers or reagent test strips for testing urine specific gravity. The Palm Abbe is fast, convenient, and easy to use. Simply place a drop or two of urine in the stainless-steel sample well, press a button, and instantly read urine specific gravity on the large LCD display.