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MSA ALTAIR 4X Multigas Detector

by MSA
SKU 10178557
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. 10178557 detects: LEL, O2, H2S & CO

Real Time:
  • Quickly update MSA ALTAIR 4XR settings via the ALTAIR CONNECT APP
  • Senses gas 2 time faster than the industry average with our XCELL sensors
  • Send event notifications via text with the ALTAIR CONNECT APP


  • Can survive an incidental 25 foot (7.5M) drop onto concrete\
  • Survives 25 drops from 4 feet (1.2M) (MIL-STD-810G 516.6 Transit Drop 3rd Party Cert)
  • Dust and waterproof IP68 rating (2M for at least 1 hour)
  • Operating temp range: -40F to +140F (-40C to +60C)
  • Confirm compliance quickly with the Bump LED & on-screen checkmark
  • 4-year instrument & sensor warranty
  • Bump & calibrate with ½ the test gas and in ½ the time vs. industry average
  • MotionAlert option tells other that user has become immobile
  • User-activated InstantAlert notifies others of a potentially dangerous

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