The ALTAIR 5X Gas Detector is capable of measuring up to 6 gases simultaneously and is available with integrated PID sensor for VOC detection. Driven by advanced MSA XCell® Sensor Technology,  the ALTAIR 5X Gas Detector delivers  faster response time, better stability, accuracy, longer service life, and cost savings over the life of the instrument.

Detects combustible gases in LEL and/or volume percentage range, oxygen, carbon monoxide, carbon dioxide, hydrogen sulfide, sulfur  dioxide, ammonia, chlorine, VOCs,  and many others depending upon sensor configuration.

  • Rugged overmolded polycarbonate housing provides unsurpassed durability, including ability to survive 10-ft. (3m) drop; IP65-certified.
  • Field-proven integral pump provides consistent gas flow, eliminating concerns of externally-attached components.
  • High performance XCell Sensors last longer:
  1. Typical life greater than 4 years for combustible, O2, CO/H2S, SO2, CO/NO2 and CO (high concentration) sensors.
  2. Typical life greater than 3 years for NH3 and Cl2 sensors.
  3. Most sensor response and clear times <15 seconds.
  • Compatible with GALAXY® GX2 Test System


MSA, gas detection, multi-gas, multi-gas detector


Confined Space

Turnarounds & Plant Maintenance



Australia/NZ (ANZEx) 5X

Australia/NZ (ANZEx) 5XiR



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