View our full range of Portable Gas Detectors below:

MSA ALTAIR Single-Gas Detectors

The ALTAIR is a robust Single Gas Detector with sensor options of H₂S, CO or O₂. It 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 and sensor allow.

  • Withstand a 3 m drop test
  • IP 67 rating (dust tight and water tight)
  • Easy to grip design
  • ALTAIR: traceability – records up to 25 events
  • ALTAIR PRO: traceability – records up to 50 events and over 100 hours of periodic data (with default interval 3 min)
  • Simple bump check with checkmark displayed for 24 h
  • ALTAIR warranty: 2 years after activation or 1080 alarm minutes

MSA ALTAIR Pro Single-Gas Detectors

The ALTAIR PRO is a reliable high-performance Single Gas Detector with sensor options of O₂, ClO₂, HCN or PH₃. It accurately measures and displays the gas concentration.

  • Withstand a 3 m drop test
  • IP 67 rating (dust tight and water tight)
  • Easy to grip design
  • ALTAIR: traceability – records up to 25 events
  • ALTAIR PRO: traceability – records up to 50 events and over 100 hours of periodic data (with default interval 3 min)
  • Simple bump check with checkmark displayed for 24 h
  • ALTAIR warranty: 2 years after activation or 1080 alarm minutes
  • ALTAIR PRO O₂ warranty: 2-year. Others : 1-year

MSA ALTAIR 2X Gas Detectors

All ALTAIR 2X Gas Detectors incorporate proven XCell Sensor Technology, enhance worker safety, compliance and traceability, minimize cost of ownership and demonstrate rugged durability.

  • ALTAIR 2XP: First stand-alone bump test in the world – bump anytime, anywhere, without calibration gas thanks to patented XCell Pulse Technology. Improve safety, reduce maintenance and increase productivity!
  • ALTAIR 2XT: Monitor 2 gases with 1 device thanks to exclusive MSA XCell
    Two-Tox Sensor Technology
  • ALTAIR 2X: Wide range of Single Gas Detectors powered by XCell Sensors
  • Now an option for a displayed gas reading or for an alarm-only device
  • Offer fastest sensor response times & lowest calibration gas flow rate on the market
  • Typical XCell sensor life > 4 years
  • Now with MotionAlert alarm
  • Withstands multiple 7,5 m drops onto concrete

MSA ALTAIR 4XR Gas Detectors

The ALTAIR 4XR is a reliable Multigas Detector that simultaneously measures up to four gases from a wide range of sensor options including combustible gases, O₂, CO, H₂S, SO₂ and NO₂. With large, glove-friendly buttons and a high-contrast display, the ALTAIR 4X is easy to operate in any work environment, even low-light conditions. A full range of accessories is available.

  • Offer fastest sensor response times & lowest calibration gas flow rate on the market
  • Typical XCell sensor life > 4 years
  • Greater signal stability and repeatability
  • 24-hour battery run time
  • Withstands 6 m drop test
  • IP 68 rating
  • Simple bump check with checkmark displayed for 24 h
  • Traceability – records up to 500 events and 50 hours of periodic data (with interval 1 min)
  • ALTAIR 4XR multi-unit charger available
  • Convert ALTAIR 4XR into a pump instrument for your sampling applications with the ALTAIR Pump Probe

MSA ALTAIR 5X Wireless Gas Detectors

The ALTAIR 5X Multigas Detector for combustible gases, O₂, and toxic gas
detection is as tough and functional as it looks. A rugged polycarbonate housing provides unsurpassed durability. Inside, a field-proven integral pump provides consistent gas flow without the problems of externally-attached components. Ergonomic design, glove-friendly buttons, and high-contrast display make the ALTAIR 5X Multigas Detector easy to use in all applications. Up to six gases can be monitored simultaneously.

  • Built-in pump
  • Very fast sensor response and clear times
  • Greater signal stability and repeatability
  • Typical sensor life > 4 years on XCell LEL, O₂, CO, H₂S, SO₂ and NO₂ XCell sensors and IR sensors
  • Typical service life > 3 years on XCell NH₃ and Cl₂
  • By incorporating Bluetooth as a standard feature, MSA offers wireless safety benefits to everyone
  • Withstands 3 m drop test
  • Unique alarm features: Motion Alert & InstantAlert
  • Traceability – records up to 1000 events and 200 hours of periodic data (with interval 1 min)