Features
● Holder that can provide stable airflow and realize stable collection of spreads into a passive gas tube
● Passive gas tubes can be stored up to two in the holder. VOC and aldehyde can be collected at once.
● In the work environment site, etc., it prevents droplets such as paint and welding and dust to eliminate sampling mistakes.
● No wind such as indoor environment. Stable diffusion collection is possible in the environment. Possible
● A single alkaline AA batteries can be driven for 30 hours in a row < /p>

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Usage example
● Indoor environmental pollution environment measurement such as chic house