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Ammonia - detection tubes (dosi) 2.5-1000ppm, package 10 pcs

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Catalog number: 810-3D

Passive dositubes are used to measure time-weighted average (TWA) gas concentrations over longer periods. Dositubes use the principle of the natural diffusion of gas. A dositube is a glass tube of a specific inner diametre that is filled with a diffuser and chemical reagent in parallel that enable gas to disperse at a constant rate resulting in a longer discolouration and better demarcation. The passive dositube can then be positioned in the worker's breathing zone where it can be attached with a holder and collar clip (separately available: Art.No.710) and the amount of individual exposure can be measured. Stationary use is also possible for TWA measurements of concentration distribution or change within a fixed environment over longer periods, such as the course of a whole day.

  • Compact, lightweight, and versatile(can be used anywhere)
  • Easy direct measuring and reading
  • No sampling pump necessary

Use

  • Detekční trubičkyDetector type
  • DifúzníSampling
  • NH3Gas detected

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