Home Use Automatic Refractometer Digital Sugar Meter 0-55% Range 0.2% Accuracy Sugar Meter, Rechargeable

± Accurancy:0.2%Range:0-55%Resolution:0.1% Ambient Temperature:10-40Battery:LithiumHow to use:CleanDrop samplesClose the lidPress "START"Calibration:Power onDrop about 0.3ml purified water ,close the lid Press 'ZERO" two timesTwinklingPress "ZERO"0.0% ,calibration succeedAttention!!!1.Test water is 0.0% before using(±0.2% accuracy),if not ,need zero clearing or calibration.2.Sample quantity:1/2 of the depth of the sampling tank at least.3.Cleaning measuring tank before measuring and calibration.

• [Smart and portable]: Lightweight, easy to carry and clean, anti-fall
• [Refractometer range]: range: 0-55%, accuracy: ±0.2%
• [Easy to operate]: After simple calibration, the reading will be quickly displayed on the screen in less than 3 seconds
• [Choose a healthier lifestyle]: Great for testing fruits, juices, vegetables, coffee or other beverages, allowing you to control your sugar intake.
• [Rechargeable]: Equipped with batteries, no need to replace batteries, saving you the cost of buying batteries.