Counting-chambers by Hecht Assistant, available in variations after Thoma, Thoma new, Neubauer and Fuchs-Rosenthal.
Neubauer counting-chamber
The Neubauer counting-chamber is an approx.30 mm x 80 mm in size and approx. 5 mm thick glass-plate with a middle-area that is lowered by a defined amount, on which square fields in defined sizes are etched. It is used for counting all types of particles, especially cells and micro-organisms in medicine and biology.
Thoma counting-chamber
The Thoma counting-chamber (new) is like the Neubauer counting-chamber without defined corner-squares and with different limit-display.
Fuchs-Rosenthal counting-chamber
The Fuchs-Rosenthal counting-chamber has 16 large squares with 1 mm side-length each, and a chamber-height of 0,2 mm.
