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Catalog
Description
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1490
Counting chamber only
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1492
Counting chamber with 2 cover glass
Bright-Line Dark-Line Counting Chambers Catalog Numbers: 3100, 3110, 3200, 3500, 1490, 1492, 1475, & 1483
Usage: Cell Counts
Cell Depth: 0.100mm +- 2% (110mm)
Volume: 0.1 Microliter
Ruling Pattern: Improved Neubauer, 1400 Square mm
Rulings cover 9 square millimeters. Boundary lines of the Neubauer ruling are the center lines of the groups of three. (These are indicated in the illustration below.) The central square millimeter is ruled into 25 groups of 16 small squares, each group separated by triple lines, the middle one of which is the boundary. The ruled surface is 0.10mm below the cover glass, so that the volume over each of the 16 small squares is .00025 cubic mm.