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| Direct-reading Dräger diffusion tubes were developed especially for personal exposure monitoring. These systems do not require the use of a gas detector pump because the contaminant molecules pass into the tube by diffusion processes and in this manner are brought into contact with the reagent systems. |
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| Direct-reading Dräger badges were developed especially for personal exposure monitoring. These systems do not require the use of a gas detector pump because the contaminant molecules pass into the badge by diffusion processes and in this manner are brought into contact with the reagent systems. |
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