Description
Features: Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry arround. With Built-in ATC (Automatic Temperature Compensation) from 10~30 degree Celsius. Soft Rubber eyepiece for comfortable viewing Equipped with scale measurement which provides direct reading Accurate testing results Durable and bulit to last long Adjustable manual focusing Use ambient light only which means battery or power source is not required Packing Included: 1 x Refractometer 1 x Plastic pipette 1 x Mini Screw Driver 1 x Cleaning Cloth 1 x Plastic Box Using Instruction: 1. Open the cover and carefully wipe the prism with a soft cloth. 2. Take a few drops of the solution to be measured, place on the detection prism, gently close the cover to avoid producing bubbles which will make the solution spread all over the prism surface. 3. Put the cover directly point to the light source or bright place, observe the field of view through the eyepiece. 4. Turn the eyepiece to adjust the hand wheel to make the blue and white line clear. The scale value of the dividing line is the concentration of the solution.
