Dräger diffusion tubes
The Diffusion Tubes are very easy to handle. Since these are passive measurement systems, relying on the diffusion of contaminant molecules in air, they do not require a pump. The diffusion tubes are used with a plastic holder which is attached to the clothing (shirt collar, pocket, etc.).
The Dräger Diffusion Tubes are able to measure very low concentrations. The contaminant molecules pass into the tube by diffusion processes and are brought into contact with the reagent systems.
The measurement result can be read directly on the scale printed on the Diffusion Tube following the length of the discoloration.
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The Dräger-Tubes are an extremely cost-effective and, above all, reliable method of measurement. Dräger-Tubes have proved themselves a million times over and are used all over the world.
Product Information: Dräger Diffusion Tubes
The Dräger Diffusion tubes are direct reading systems used for the determination of time weighted average concentrations over the duration of one to eight hours.