Measurement Accuracy : +/-0.2%Weight : 99gMin. Div. : 0.2%Brix Range : 0~32% sugarModel Number : RefractometerCertification : CEBrix Min. Div. : 0.2%Size : 18*3*4CMUsage : SugarMeasurement Range : 0~32% sugarsugar refractometer : brix refractometerSugar : 0-32%Handheld Refractometer Sugar Concentration Meter Densimeter 0-32% Brix Saccharimeter Tester Fruits Grapes ATCSpecificationsItem Name: Handheld RefractometerMeasuring Range: Brix 0~32%Resolution: +/-0.2%Structure: Refractive prism + cover + calibration bolt + eyepiece + optical system pipingWorking Temperature: 10~30degreesAutomatic temperature compensationSoft rubber eye piece for comfortable viewingEasy to use focus and calibrateAdjustable manual focusingNote : this product without retail box ,THANKS!Operation:Step 1 :Place a few drops of the liquid on the main prism.Step 2:Cover the prism,look through the eyepiece against the light.Step 3:Adjust the eyepiece to the clear state.Step 4:You can read the result value on the scale.Package Included:1x Refractometer1 xpipette1 x instruction manual1 x mini screw driver 1x retail box