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MSA Altair Single-Gas Detector

The MSA ALTAIR is a reliable high-performance single-gas detector with sensor options of H2S , CO or O2 and provides two years or 1080 alarm minutes of service life under warranty with no maintenance. This instrument will not deactivate after two years of operation but will continue to perform as long as battery capacity allows. No calibration, sensor change or battery change is needed.

Patented, MSA Button toxic gas sensors are fitted to both the CO and H2S ALTAIR, while the O2 version accommodates a fast responding 20 series sensor. ALTAIR and can be worn securely anywhere. This rugged clip design keeps the unit attached during even the roughest use.

  Robust, easy to grip design
  Easy to read display
  Sensor options for H2S, COand O2
  Simple bump check with checkmark for 24 hours
  Audible alarm of 95 dB at 30 cm
  Strong vibration alarm
  Highly visible LEDs


  Chemical Splash
  Oxygen Deficiency
  Toxic Atmosphere (IDLH)
  Toxic Atmosphere (Non-IDLH)

Approvals & Standards

  Europe: ATEX II 2G EEx ia IIC T4 -20°C to +50°C
  US and Canada: CSA cUL for Class 1, Division 1, Groups A, B, C and D, US Bureau of Shipping
  Australia: Ex ia IICTa -20°C to +50°C


  Fire Fighting
  Food Processes
  Foundries & Metal Production
  Oil & Gas
  Waste & Water Treatment

Data Sheet

Ordering Information

10092523 ALTAIR, O2, 19.5/23 Vol % Adjustable
10071364 ALTAIR, O2, 19.5/18 Vol %
10092522 ALTAIR, CO, 25/100 ppm Adjustable
10071334 ALTAIR, CO, 30/60 ppm
10071336 ALTAIR, CO, 35/400 ppm
10071361 ALTAIR, H2S, 5/10 ppm
10092521 ALTAIR, H2S, 10/15 ppm Adjustable
10071363 ALTAIR, H2S, 7/14 ppm

Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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