Description
Thoma counting chambers (new) are precision haemocytometers fabricated from special optical glass for accurate cell and particle counting in laboratory and clinical diagnostics. Each unit features a double net division together with a chamber depth of 0,1 mm, enabling reliable determination of cell concentrations under the microscope. Two cover glasses of 0,4 mm thickness accompany the chamber to ensure a defined sample volume over the ruled area. The bright-line grid pattern enhances visibility of the counting squares against darker backgrounds. Designed without spring clips, these CE-marked devices are intended for applications conforming to EU Regulation 2017/746 for in-vitro diagnostic medical devices (IVDR) and include a batch number for comprehensive documentation and traceability. Produced by manufacturer Marienfeld and supplied in a bulk pack of 10 pieces, the chambers serve haematology laboratories, research facilities and quality-control workflows that require consistent, reproducible volumetric counting day after day.
This article is part of Counting chambers & haemocytometers, in Microscopy & histology.
Key features
- Pack size: 10 pieces
- Material: Special optical glass
- Grid: Double net division
- Chamber depth: 0,1 mm
- Cover glasses: 2 × 0,4 mm
- EAN: 4250317301581
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Questions about Counting chambers Thoma neu, CE,
What is this article?
Counting chambers Thoma neu, CE, is the article on this page. Luminix Health distributes Marienfeld for laboratory use. It sits in Counting chambers & haemocytometers, inside Microscopy & histology, in Lab instruments.
A counting chamber is a slide with a ruled grid of known depth, so cells in a volume can be counted under a microscope. A haemocytometer is that chamber for blood or for cultured cells. The depth and the ruling are the specification. A scratched grid miscounts.
A light microscope forms an image with glass lenses and transmitted or reflected light. A stereo microscope is the lower-magnification instrument for dissecting and for looking at a surface. Fluorescence needs a light source and filters matched to the dye. Histology is the preparation that makes a tissue readable: fixation, a cassette, a section, a stain. The objective's magnification and numerical aperture decide the resolution. The slide and the cover glass decide whether the section sits in the focal plane. Stains and dyes as substances are identified on PubChem. Papers on the methods are on PubMed.
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The category is Microscopy & histology. The sub-category is Counting chambers & haemocytometers. The catalogue is Lab instruments.
Shelves beside this one are Microscope slides & cover glasses, Microscope objectives, eyepieces & optics, Histology cassettes & moulds, Stereo microscopes, Light & fluorescence microscopes, Histology reagents & consumables, Microscopy accessories, Cold light sources & lighting and Digital & USB microscopes.
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