Chapter 1
Specifications and General Precautionary Safety Measures
Edition 1 – December 2019
SAFETY FIRS T
9
MSA G1 Classic Breathing Apparatus
Item
Specification
Pressure reducer capacity
700 lpm
Tested underwater to
1 metre
Cleaning temperature
+40
˚C to +50˚C maximum
MSA Motion Scout Distress Signal Unit
This table summarises the specifications of the MSA Motion Scout Distress Signal Unit
(DSU).
Component
Specification
Size
95 mm x 70 mm x 44 mm
Housing
Over moulded 2K (Silicone)
Version
Activated by ON/OFF key
Audio output
Main alarm 95 dB at 3 metres
Operating temperature
-20°C to 55°C
Visual alarm
Two bright red flashing LEDs for motion
and manually activated alarm visible from
the front, top and sides
Audible frequency
2000 to 3000 Hz
Weight including clip and batteries
230 g
Battery
2 x AA batteries
200 hours (activated)
> 8 hours (full alarm)
Controls
2 buttons
Display
3 LEDs
Intrinsically safe and tested to standards
ATEX II 1G Ex ia IIC T3 / T4
Ingress protection rating (protection
against intrusion)
IP67 (dust tight and protected against
immersion)
Flame engulfment
EN 137
