This is enables you to measure the water content of your honey.
Just place a drop of honey on the prism with the aid of the pipette provided, and look through the eyepiece towards the light.
There are 3 scales (Illustrated) for water content , focus on the right hand scale to give the percentage water content
*Case dimensions 205mm x 75mm x 54mm
*Complete with Pipette, calibration screwdriver, instructions and Lens cloth