Introducing The New ALTAIR® 4XR


Real-time. Rugged. Reliable.

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Altair 4XR

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 or 5-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.

Real Time
  • 24-hour Green/Red Instrument Bump Status indicator
  • Bluetooth connectivity to MSA ALTAIR Connect App
  • IP 68 Rating for Water and Dust Ingress (2 meters for 45 minutes)
  • 7.5-meter drop test and MIL-STD-810-G equivalent Drop Protection
  • < 15-second Response Time
  • Back by 4-year or 5-year warranty and End of Sensor Life Warning
Drop and temperature features of the ALTAIR 4XR

The toughest 4-gas monitor on the market

From drops to extreme temperatures, the ALTAIR® 4XR is built to last.

Built to work wherever you work

Fast, Efficient Maintenance

Compliance At A Glance

Guaranteed Performance