SCOTT Sigma 2 User Manual

SIGMA 2
11
4.8 CYLINDER PRESSURE
1. Open cylinder valve and check
pressure gauge to ensure that cylinder has
a minimum of 80% of the fully charged
capacity:
For 207 bar cylinders - 170 bar.
For 300 bar cylinders - 240 bar.
2. When fully satisfied with apparatus,
proceed to undertake tasks as required.
5. DOFFING
INSTRUCTIONS
5.1 REMOVE FACEMASK
1. On apparatus with a First Breath DV,
take a breath and press the reset button to
close the air supply.
2. Pull tabs on buckles forward to
release the head-harness or head-net.
Remove facemask.
Note:
Instant Air DVs will free flow through mask
until the cylinder valve is closed.

SCOTT Sigma 2 Specifications

General

Type	Self Contained Breathing Apparatus (SCBA)
Application	Firefighting, Industrial
Cylinder Duration	Varies based on cylinder size and breathing rate
Approval	EN 137
Compatibility	Compatible with various cylinders
Features	Ergonomic design