Counting chambers Brand, without clamps
The counting chambers serve to determine the number of particles per volume unit of a liquid. The particles (e.g. leucocytes, erythrocytes, thrombocytes, bacteria, fungus spores, pollen) are visually counted under a microscope. The types of counting chambers differ in counting grids and the depths of the chambers. Orthogonal lines form grids which become visible by magnifying them with a microscope. The grid of a counting chamber is engraved into the surface of its base.
Counting Chambers Blaubrand
The microscope slide sized base plate is made of special optical glass. Milled grooves divide the surface into two large fields (outside) and three narrow ridges (inside). The two outer fields are for inscriptions, whereas the ridges are ground and polished. The central ridge (= chamber bottom) has two engraved sets of rulings for counting, separated by a groove. Generally the chamber bottom on the central ridge is 0.1 mm lower
(= chamber depth) than the two outer ridges. Hence, when a cover glass
is placed on top, there is a gap of 0.1 mm between the glass and the central ridge. The lateral boundaries of the volume to be counted are formed by the imaginary planes projected vertically onto the boundary lines of the ruling.
Cleaning
For cleaning, we recommend the disinfectant cleaner Mucocit®-T.
Pack quantities for all counting chambers:
1 Counting chamber, complete with 2 haemacytometer cover glasses, in transparent plastic box.
BRAND counting chamber and haemacytometer cover glasses are CE-marked according to IVD-Directive 98/79 EC.
| eclass | 32030000 |
|---|---|
| leadtime | 5 |
| UNSPSC code | 41122604 |
| Brand | Brand |
| Sales Unit | Piece |
| Reference | BRA-TELK |
| Finish | Without clamps |
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