7
SPIROSCAPE provides a constant ow of breathable air for 15 minutes.
When the air ceases to ow, a valve opens automatically and the user can breathe
the surrounding air without taking off the hood.This ensures that a user is not
asphyxiated if they lose consciousness when the air supply runs out.By shutting off
the air ow manually, a user can wear the hood during an exercise or in standby
situations.
The air in the cylinder must meet the requirements of EN 12021, be free from oil and
toxic substances and have a low humidity.
2.1 LIMITATIONS ACCORDING TO NIOSH (ONLY APPLICABLE TO THE USA)
Approved only when the compressed air cylinder is fully charged with air that meets
the requirements of the Compressed Gas Association Specications G-7-1 for Type 1,
Grade D Air or higher quality, as well as having a dew point of –65 °F (–54 °C) or
drier (24 ppm v/v or less) and a particle level below 5 mg/m3 of air.
2.2 QUICK-FILL ADAPTER
INTERSPIRO’s quick-ll adapter, see [gure 1], provides a quick and simple means
of charging the cylinder. No tools are required. The adapter prevents the 200 bar
cylinder from being charged to 300 bar.
Instructions for using the quick-ll adapter are given in chapter 5.
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