Fitted with rapid-response MSA XCell® sensors, the ALTAIR 4XR Gas Detector is the toughest 4-gas detector on the market and is backed by a 4-year warranty. The ALTAIR 4XR can also provide real-time incident awareness to colleagues, supervisors, safety managers and others when paired with the MSA ALTAIR Connect app via a Bluetooth® wireless connection. The MSA Altair 4XR is the ideal 4-Gas Detector for confined space entry applications.

Complete with Oxygen, Flammables, Hydrogen Sulphide and Carbon Monoxide Sensors, charger, quick start card, data logging, calibration cap and tubing. Part Number: 10178573.


Sense gas 2 times faster than the industry average with XCell sensors
Quickly update MSA ALTAIR 4XR settings by using the ALTAIR Connect app (available on the Google Play Store)
Send event notifications by text message with the ALTAIR Connect app


Survives 25 drops from 4 feet (1.2 meters) (MIL-STD-810G 516.6 Transit Drop 3rd Party Certified)
Can survive an incidental 25-foot (7.5-m) drop onto concrete
Dust- and waterproof IP68 rating (2 meters for at least 1 hour)
Operating temperature range: -40°F to +140°F (-40°C to +60°C)


4-year instrument & sensor warranty
Confirm compliance rapidly with the Bump LED & on-screen check mark
Bump and calibrate with 1/2 the test gas and in 1/2 the time vs. industry average
Bump and calibrate at a specified "Time of Day" with your MSA GALAXY® GX2 Automated Test System
Motion Alert option tells others that user has become immobile
User-activated Instant Alert notifies others of a potentially dangerous situation


Unit Price

Technical Information