BOSS-Grape Professional 0-32% Brix Refractometer w/ Grape Quality Scale Honey Refractometer You will observe that the

You will observe that the top of the view screen is blue and where it changes from blue to clear at the bottom is where the reading should be taken

* Daylight Plate Assembly - (2) Steel Pins

1% and Refractive Index 0

Includes Integrated Automatic Temperature Compensation (ATC) for accurate measurement at standard ambient temperature

In general

BOSS-Grape Professional 0-32% Brix Refractometer w/ Grape Quality Scale Honey Refractometer You will observe that theBOSS GRAPE PROFESSIONAL QUALITY Portable Brix Refractometer 0 32. 0% Brix and Grape Brix Quality Rating in a Hard Case THIS IS THE REFRACTOMETER THAT THE BOSS USES! THIS IS A ONE OF A KIND UNIT WITH THE FEATURES AND QUALITY OF MORE EXPENSIVE UNITS! * PROFESSIONAL QUALITY! * WE DESIGNED THIS UNIT TO BE A HEAVY DUTY BEAST! * ALL METAL CONSTRUCTION! * 10 YEAR WARRANTY! * SUPER HIGH QUALITY! NEARLY 3x THE WEIGHT OF THOSE CHEAPER UNITS! YES, ALMOST 3 TIMES