ALTAIR 4XR Multigas Gas Detector (LEL, O2, H2S & CO)

MSA Altair 4XR

SKU: MSA 10178557 Category: Tag:


Altair 4XR Multigas Detector Outfitted with rapid-response MSA XCell sensors, the ALTAIR 4XR Gas Detector is the toughest 4-gas monitor on the market and is backed by a 4-year warranty.


  •  Rugged
    • Survives 25 drops from 4 feet (1.2 meters) (MIL-STD-810G 516.6 Transit Drop 3rd Party Certified)
    • 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: -40F to +140F (-40C to +60C)
  • Reliable
    • Sense gas 2 times faster than the industry average with our XCell sensors
    • 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
  • MotionAlert option tells others that user has become immobile
  • User-activated InstantAlert notifies others of a potentially dangerous situation

Applications: Confined Space, Fire Service, Construction, General Industry, Mining, Oil & Gas,

Utilities Sensor Options

  • Combustible (LEL)
  • Oxygen
  • Toxic
    • CO / H2S
    • CO (H2-Resistant) / H2S
    • CO / H2S-LC
    • CO / NO2
    • SO2 / H2S-LC