Amzdeal Portable 0-80‰ Alcohol Oenometer Refractometer for Beer Wine Wort (Black) (Oenometer)

Warm Prompt:

Before using, please use distilled water to calibrate the 0 position;
Then simply use the dropper to take a sample of wort and put it on the prism;
Then hold the refractometer up to the light and look through the eyepiece;
The boundary of blue and white color will be the reading;
Please don't put it into water to wash.

Specifications

Material: Aluminium Alloy+Plastic+Optics Lens
Size: Diameter 29*195mm
Weight: 105g
Alcohol Content Measurement Range: 0-80‰
Package: Plastic Case+Sponge (21*8*5.5cm)

Accessories:

1* screwdriver
1* dropper
1* manual
1* cleaning cloth