The Altair 4XR Gas Monitor is a top-tier portable multi-gas detector engineered for real-time monitoring of up to four gases simultaneously. It detects LEL (Combustible gases), O₂ (Oxygen), CO (Carbon Monoxide), and H₂S (Hydrogen Sulfide). Built with MSA’s XCell® sensor technology, it delivers fast response times, extreme durability, and low maintenance. With Bluetooth® connectivity, it allows real-time data sharing for remote safety monitoring through the MSA ALTAIR Connect App.
🔹 Simultaneous 4-Gas Monitoring: Fast, accurate readings for critical worker protection
🔹 XCell® Sensor Technology: Long sensor life and reduced calibration time/cost
🔹 Real-Time Alerts with Bluetooth®: Enables remote monitoring, incident logging, and email/text notifications
🔹 Rugged, Drop-Tested Design: Operates in extreme temperatures, survives a 25-foot drop.


















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