Handheld Sugar Refractometer Sugar Concentration Meter Densimeter 0-32% Brix Saccharimeter Tester Fruits Grapes ATC Handheld Sugar Refractometer Sugar Concentration Meter Densimeter 0-32% Brix Saccharimeter Tester Fruits Grapes ATC Specifications Item Name: Handheld Refractometer Measuring Range: Brix 0~32% Resolution: +/-0.2% Structure: Refractive prism + cover + calibration bolt + eyepiece + optical system piping Working Temperature: 10~30degrees Automatic temperature compensation Soft rubber eye piece for comfortable viewing Easy to use focus and calibrate Adjustable manual focusing 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. _x000D_