MSA’s ALTAIR® 4X Multigas Detector with new MSA XCell™ Sensor Technology offers many performance advantages: faster response time, four-year sensor life, increased stability, and less than 60-second calibration time. The ALTAIR® 4X Multigas Detector operates with only MSA XCell™ Sensors for LEL, O2, two-toxic H2S/CO, or individual H2S and CO sensors. 

The ALTAIR® 4X Multigas Detector is compatible with the ALTAIR® 4 QuickCheck® Station and the ALTAIR® 4 GALAXY® Test Stand (GALAXY® System software upgrade is required), and provides exclusive optional MotionAlert™ and InstantAlert™ features.