MSA ALTAIR 4XR Multi-Gas Detector

With real-time incident awareness to team members when paired with the MSA ALATIR® Connect App via Bluetooth® and outfitted with rapid-response MSA XCell® sensors, the MSA ALTAIR® 4XR Multi-Gas Detector is the toughest 4-gas monitor on the market today.


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  • Sense gas 2x faster than the industry average with MSA XCell® Sensors
  • Quickly update MSA ALTAIR® 4XR Multi-Gas Detector settings via the MS ALTAIR Connect App (available on the Google Play Store)
  • Send event notifications via text message with the MSA ALTAIR Connect® App


  • Survives 25 drops from 4 ft (1.2 m) (MIL-STD-810G 516.6 Transit Drop 3rd Party Certified)
  • Can survive an incidental 25 ft (7.5 m) drop on to concrete
  • Dust and waterproof IP68 rated (2 m for at least 1 hour)
  • Operating temperature range: -40°C to 60°C (-40°F to 140ºF)


  • 4 year instrument and sensor warranty
  • Confirm compliance quickly with the Bump LED and on-screen checkmark
  • Bump and calibrate with half the test gas and in half the time when compared to the industry standard
  • MotionAlert option tells users that the user has become immobile
  • User-activated InstantAlert notifies others of a potentially dangerous siutuation


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MSA ALTAIR 4XR Multi-Gas Detector Data Sheet

MSA ALTAIR 4XR Multi-Gas Detector Operating Manual

MSA ALTAIR 4XR Multi-Gas Detector Quickstart Guide

MSA ALTAIR Connect App

MSA ALTAIR XCell Sensors Data Sheet