An intuitive differential cell counter that simplifies blood cell counts. When a total of 100 cells is counted, a bell rings. The percentage of each type of cell can then be read directly from the window above each key. A simple counter-clockwise rotation of the end knobs will zero all the counts. Technical Specification Each key has the name and picture of a particular cell above it, representing groups of leucocytes The key legend strips are easily removed to allow customisation 8 Place set to count Basophils, Eosinophils, Myelophils, Juven., Stab., Seg., Lymphocytes, Monocytes 5 Place set to count Basophils, Eosinophils, Seg., Lymphocytes, Monocytes Sturdy, solid construction with firm, dependable keys For additional information, please click here to access our Cell Counting Brochure and Instructions for Use.