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MSA™ ALTAIR™ 4XR Multigas Detector

Provides real-time incident awareness when paired with the ALTAIRALTAIR™ Connect app via a Bluetooth™ wireless connection. MSA™ ALTAIR™ 4XR Multigas Detector is the toughest 4-gas monitor when outfitted with rapid-response XCell™ sensors.

Manufacturer:  MSA™ 10178557*

Catalog No. 19-141-472



  • Real-time,Sense gas 2 times faster than the industry average with our XCell sensors
  • Quickly update MSA ALTAIR™ 4XR settings via the ALTAIR™ Connect app (available on the Google Play Store)
  • Send event notifications via text message with the ALTAIR™ Connect app
  • Rugged: Survives 25 drops from 4 feet (1.2 meters) (MIL-STD-810G drop protection)
  • Can survive an incidental 25-foot (7.5-m) drop onto concrete
  • Dust- and waterproof IP68 rating (2 meters for at least 1 hour)
  • Operating temperature range: -40°F to +140°F (-40°C to +60°C)
  • Reliable: 4-year instrument & sensor warranty
  • Confirm compliance quickly with the Bump LED & on-screen checkmark Bump and calibrate with 1/2 the test gas and in 1/2 the time vs. industry average
  • Bump and calibrate at a specified "Time of Day" with your MSA GALAXY™ GX2 Automated Test System
  • Motion Alert option tells others that user has become immobile User-activated InstantAlert notifies others of a potentially dangerous situation


24-hour run-time, < 4 hour charge time
Class I Division 1 Groups A, B, C and D; Class II Division Groups E, F and G Class III
3.5 cm
4.4 in.
3.0 in.
4.4 x 3.0 x 1.4 in.
4 years (+ optional 1-year extension)
Rechargeable Li-polymer battery
1.4 in.
Charcoal case, North American charger
11 cm
7.6 cm
LEL, O2, H2S and CO
> 50 hours (adjustable), > 500 event logs