The MSA Altair 4XR is a rugged four-gas monitor that continuously measures combustible gas (LEL), oxygen, carbon monoxide and hydrogen sulphide — the required companion for confined space entry and any work where atmosphere can turn dangerous.
| Feature | Details |
|---|---|
| Gases monitored | LEL (combustibles), O₂, CO, H₂S |
| Alarms | Loud audible, bright LED and vibrating alarms |
| Battery life | Approx. 24 hours per charge |
| Durability | Rated to survive drops; dust and water resistant |
| Sensors | MSA XCell sensors with fast response times |
Four hazards, one unit: covers the standard confined-space gas panel.
Unmissable alarms: sound, light and vibration alert even in loud environments.
Fast, stable sensors: quick response and bump-test friendly.
Jobsite tough: built to survive drops and harsh conditions.
Common uses: confined space entry, manholes and vaults, tank work, trenching, hot work atmosphere monitoring.
