An H-shaped moat forms either one or two counting areas, or plateaus. Each plateau features an etched grid or ruling.
The ruled surface is either 0.1mm or 0.2mm below the cover glass, limiting the Volume of 1 Square mm of blood or fluid over a square mm at 0.1cu.mm or 0.2cu.mm respectively.
Contact of the flat, polished cover glass surfaces the cover glass supports produces an exact volume of fluid over the counting area.
The difference in surface tension characteristics between the metallic surface on the chamber and the polished cover glass assures smooth capillarity for precise loading and more even cell distribution.
A Haemocytometer is a widely used device for visually counting the number of cells in a blood sample or other fluid under a microscope. It consists of a thick glass microscope slide with a gridded indentation that creates a H shaped chamber, contact of a flat cover slip on top produces an exact volume of fluid over the counting area. By counting the number of cells or particulates in one partic...
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