4
2
2.
Important Notices on
Safety
To maintain the performance and use the purity meter safely, observe the following instructions of
DANGER, WARNING and CAUTION.
2-1. Danger cases
1.
DANGER
This is not an explosion-proof unit. Do not use this product in a location designated as a
hazardous area (explosion-proof area).
A measured gas is discharged from the end of handy aspirator. Use the purity meter outdoors or
in a room with good ventilation, or take an appropriate measure such as collecting a measured
gas in a gas sampling bag.