MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S, CO), Charcoal Case



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MSA ALTAIR 4XR multigas detector with 4-year instrument and sensor warranty. Provides real-time incident awareness through Bluetooth wireless-connection capabilities for pairing with MSA ALTAIR Connect app. This model includes the following sensor configuration: LEL (0-100%), O2 (0-30% volume), H2S (0-200 ppm), CO (0-1,999 ppm). Charcoal-coloured case.

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MSA 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. The ALTAIR 4XR can also provide real-time incident awareness to team members, supervisors, safety managers and others when paired with the MSA ALTAIR Connect app via a Bluetooth wireless connection.


  • 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


  • 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)


  • 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


  • Fire Service
  • Contractor
  • Industrial
  • Mining
  • Oil & Gas
  • Utilities
  • Toxic Atmosphere IDLH
  • Toxic Atmosphere Non-IDLH
  • Confined Space
  • Combustible Detection
  • Oxygen Detection
  • Toxic Detection
More Information
PN RN-10178557
Manufacturer MSA
Gas Types Carbon Monoxide (CO), Hydrogen Sulfide (H2S), Lower Explosive Limit (LEL), Oxygen (O2)
Color Gray
Item Type Multi Gas Detector, 4 Gas
Battery Type Lithium Polymer Rechargeable Battery
Display Type LCD Monochrome
Dimensions 4.4 “ x 3.0” x 1.4” / 11 cm x 7.6 cm x 3.5 cm
Unit of Measure Ea
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