HHTEC distillery refractometer alcohol 0 80% v/v portable meter for spirits Distilled beverages and ethanol with water like bourbon vodka gin tequila mezcal whisky scotch

USE: This is an optical refractometer designed to measure the alcohol content by mass. It is not suitable for measurements of the alcohol content in the beer or wine! Measuring Range: Alcohol: 0-80% v/v, Dissolution: Alcohol: 1% v/v Easy to use. Place 2, 3 drops of the sample on the main prism, close the plate and look through the viewing window to read the value; Precision Measurement: Scharfe Trennlinie (blau-weiß), gute Ablesbarkeit(Tageslicht erkennbar), einstellbares Okular zur Schärfeeinstellung. Calibration: zero calibration with the distilled water at 20 °C, automatic temperature compensation between 10 °C and 30 °C (ATC).