MSA 10176551 Altair 4XR Multigas Detector (LEL, O2, H2S & CO) W/Charger For Sale

MSA 10176551 Altair 4XR Multigas Detector (LEL, O2, H2S & CO) W/Charger

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MSA 10176551 Altair 4XR Multigas Detector (LEL, O2, H2S & CO) W/Charger:

Excellent condition (open box) used MSA Altair 4XR

Please inspect photos as they show exactly what you will receive. Very nice heavy duty unit, 10 total available, sold individually (all in similar condition).

Ships within 24 hours of cleared payment, from Arizona USA via USPS (insurance/tracking included). 

Please message prior to purchase with your Zip code for an exact arrival time. Available for sale within the continental United States only, please do not purchase if located outside the USA as it will be cancelled.

Thank you for taking the time to view my listing! Feel free to ask questions, I like to help.


MSA Altair 4XR Multigas Detector p/n 10178557

Data Logging


Calibration Cap & Tubing

Workers who face potentially dangerous situations deserve the best protection available. At MSA, we work tirelessly to build smarter, better gas detection instruments that people across the world can rely on. To that end, we're proud to introduce the most advanced technology available in any portable gas detector on the market: the ALTAIR 4XR Multigas Detector with XCell Sensor Technology



Sense gas 2 times faster than the industry average with our XCell sensors

Quickly update MSA ALTAIR 4XR settings via the ALTAIR Connect app (available on the Google Play Store)

Send event notifications via text message with the ALTAIR Connect app

Building on years of sensor design experience, MSA is revolutionizing sensor technology with breakthroughs in design that improve performance.

Sensor response and clear times under 20 seconds

Bump test under 15 seconds

Span calibration time of 60 seconds

Greater signal stability and repeatability under changing or extreme environmental conditions

Two-tox CO/H2S sensor with virtually no cross-channel interference

The digital output of the sensors makes them much less susceptible to RF interference

Improved sensor life and reliability.

Typical life greater than four years

Laser-welded sensor housings eliminate opportunities for leaks

Proprietary operating mode of the combustible sensor helps it stand up to poisons over the life of the sensor

End-of-sensor-life warning gives advanced notice to user, reducing service outages


Life-Saving Performance

Large buttons and bright display enable quick and easy operation even while wearing gloves

If a user becomes disabled due to unforeseen hazards, the MotionAlert sensor will activate after 30 seconds

The InstantAlert feature enables users to manually alert others of a dangerous situation with the push of a button

Compatible with Galaxy Test System and ALTAIR 4 QuickCheck Station

MSA Link Software-ready

Global approvals for worldwide acceptance

Glow-in-the-dark housing for mining and confined space applications


Survives 25 drops from 4 feet (1.2 meters) (MIL-STD-810G drop protection)

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)


Confirm compliance quickly with the Bump LED & on-screen checkmark

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

MotionAlert option tells others that user has become immobile

User-activated InstantAlert notifies others of a potentially dangerous situation

Markets: Fire Service, Contractor, Industrial, Mining, Oil & Gas, Utilities, Toxic Atmosphere IDLH, Toxic Atmosphere non-IDLH

Applications: Confined Space, Combustible Detection, Oxygen Detection, Toxic Detection

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