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Showrooms: Auckland, Christchurch

MSA Altair 4XR Multi Gas Detector

The Altair 4XR from MSA is a class leading multi-gas detector that measures up to 4 gases O2, H2S, CO, NO2, SO2 as well as combustible gas. Trusted by some of NZ's leading industries.

Mil-spec to IP68, the Altair 4XR Gas Detector is the toughest 4-gas monitor on the market.
The rugged housing provides unsurpassed durability, including the ability to survive a 7.5m drop test onto concrete. And with large, glove-friendly buttons and a high-contrast display, the Altair 4XR is easy to operate in any work environment, even low-light conditions.

Outfitted with rapid-response MSA XCell® sensors, the 4XR features double the industry average of expected life, designed for an average life of more than four years.
An end-of-sensor-life indicator gives advanced warning to user, eliminating service outages.

The sensors’ controlling electronics is miniaturised and placed inside the sensor itself providing superior stability, accuracy, repeatability and fast response.

Safety io Grid Manager
Confidently protect your coworkers with real-time safety alerts, reports & insights using the Android compatible MSA Altair Connect app via the Google Play Store.

Using the Bluetooth® wireless connection, the Altair 4XR can communicate via the app real-time worker health & safety notifications, calibration and bump test records, location and operation status. To learn more, click here; https://www.safetyio.com

Key Features

  • XCell Sensor technology with a typical life greater than 4 years
  • End-of-sensor-life indication reducing instrument downtime and reducing inventory
  • MotionAlert feature - Triggers an alarm if the user remains motionless for 20 seconds, indicating possible "man down"
  • Large LCD - Clear, easy and concise readings at a glance
  • 24 hour bump-test checkmark - Confirms the detector recently passed a gas response check
  • Rugged rubberised housing - Withstands 7.5 m drop
  • IP 68 rated by a 3rd party - Resists water and dust ingress
  • Ergonomic design with large rubberised buttons - Ensures easy operation, even with gloves
  • Bluetooth communication
  • MSA Connect App via for Android devices
  • Safety io Grid compatibile


Product Details Price
MSA Altair 4XR Multi Gas Detector

Altair 4XR with LEL, O2, CO, H2S gas sensing, calibration sticker, calibration test report

Available for hire