Technical Data
MSA
ALTAIR 4X
GB
49
5
Technical Data
Weight
224 g (device with battery and clip)
Dimensions
(L x W x H)
112 x 76 x 33 mm – without fastening clip
Alarms
Four gas alarm LEDs, a charge status LED, an audible alarm
and a vibrating alarm
Volume of
audible alarm
95 dBA at 30 cm typical
Display
LCD display
Battery type
Rechargeable Li polymer battery.
Li polymer battery must not be charged in Ex area.
Device run time
24 hours at 25 °C
Charging time
4 hours
The maximum safe area charging voltage U
m
= 6.7 VDC
Warm up time
2 min
Temperature
range
-20°C to 60°C
For measuring Carbon Monoxide & Hydrogen Sulfide
-20°C to 60°C
For measuring Oxygen, Methane, Propane, Pentane & Hydro-
gen - ATEX Certified Performance
-40°C to 60°C
For intrinsic safety
10 °C to 35 °C
while charging battery
Humidity range
15 % – 90 % relative humidity, non-condensing,
5 % – 95 % RH intermittent
Atmospheric
pressure range
800 to 1200 mbar
Ingress
protection
IP 67
Measuring
methods
Combustible gases: Catalytic sensor
Oxygen: Electrochemical sensor
Toxic gases: Electrochemical sensor
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