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    Dräger Sampling Tubes: Orsa 25

    Dräger Sampling Tubes: Orsa 25

    • £326.13

    Dräger Sampling Tubes: Orsa 25

    Dräger Safety offer a massive range of short-term gas detection tubes for the measurement of various gases. This particular set of tubes is for Orsa 25

    The tubes come in a pack of 25 tubes and have a shelf life of 2 years.

    Application Range:

    Adsorbate: organic compounds which absorb on activated charcoal by diffusion
    Sorption agent:  coconut shell coal
    Adsorption layer: 400 mg
    Standard range of measurement: 0.1 to 3 times the limit value for most organic solvents for a sampling period of 8h
    Sampling period: 0.5 to 8h for measurement in limit value range
    Diffusion rate: 1 to 4 μg/ppm x h, depends on substance
    Sampling rate: 5 to 10 mL/min, depends on substance
    Response time: approx. 2s
    Tube length: 115 mm
    Outside diameter: 7 mm
    Inside diameter: 5 mm


    Permissible ambient conditions:

     Temperature: 5 to 40°C
    Moisture: 5 to 80% at 20°C
    Atmospheric pressure: below 1050 hPa
    Air velocity: at least 1 cm/s


    Advice for sample-taking:

    Air sampling is carried out in the previously determined measuring period which should be documented. After sample taking the sampling tube is sent to the laboratory for analysis in the tightly sealed glass bottle.

    Note concerning the analysis:

    The enriched volatile organic compounds are analysed in accordance with the procedures recommended by BGIA, DFG, NIOSH, OSHA and HSE.

    For evaluation of the sampling tubes and systems please contact Dräger

    For more information on Dräger-Tubes click the image below.

    To view our range of Dräger pumps please click below.

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