ALTAIR® 4XR Multigas Detector

ALTAIR® 4XR Multigas Detector

Get the toughest 4-gas monitor in the market, outfitted with rapid-response MSA XCell sensors and backed by 4 years of warranty. It comes with real-time incident awareness to workers and others when paired with the MSA ALTAIR Connect app via a Bluetooth® wireless connection. It has rapid-response sensors for gases like LEL, O2, H2S, CO, SO2 and NO.

  • XCell sensors enables to sense gas 2 times faster
  • Easy to update MSA ALTAIR 4XR settings via the ALTAIR Connect app
  • Send event notifications via text message with the ALTAIR Connect app
  • Email calibration details
  • Create notification groups
  • Get compliance reminder
  • InstantAlert™ distress calls
  • MotionAlert™ man-down alarm

  • Confined space

  • Fire service
  • Construction
  • General industry
  • Mining
  • Oil & gas
  • Utilities

Ingress Protection (IP)


Operating T Range



5% - 95% intermittent

15% - 90% non-condensing

Drop Test



ATEX 10178573; 10178569; PESO approved


4 years (+ optional 1-year extension)

Service life