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2.
Important Notices on Safety
To maintain the performance and use the detector safely, observe the following instructions of DANGER,
WARNING, and CAUTION.
2-1. Danger cases
DANGER
About use
•
While conducting measurement in a manhole or confined space, do not lean over or look into
the manhole or closed space. It may lead to dangers because oxygen-deficient air or other
gases may blow out.
•
Oxygen-deficient air or other gases may be discharged from the gas exhausting outlet of the
detector. Never inhale the air or gases.
•
High-concentration (100% LEL or higher) gases may be discharged from the gas exhausting
outlet of the detector. Never use fire near it.
