MSA ALTAIR 4X Multigas Detector

MSA ALTAIR 4X Multigas Detector

Pine Item #51290

The ALTAIR 4X is an extremely durable Multigas Detector that simultaneously measures up to four gases from a wide range of XCell(R) sensor options, including combustible gases, O₂, CO, H₂S, SO₂, and NO₂. The ALTAIR 4X Detector surpasses industry standards in several crucial areas. Its four-year sensor life is 60% longer than the industry average, while its 24-hour run time exceeds the industry average by 71%. This versatile portable detector is a perfect match for industries ranging from fire fighting to welding, and its digital sensor output makes it less likely to suffer from RF interference. The unit features exclusive MotionAlert™, which lets others know if the user has become immobile, and InstantAlert™, a manual alarm that alerts others of potentially dangerous situations. This rugged unit is designed to withstand a drop of up to 20 ft (6m) and uses less than half as much calibration gas as the industry average. 


Dependable multigas detector tests for LEL oxygen carbon monoxide hydrogen sulfide sulfur dioxide and nitrogen dioxide

Economical construction saves users more than 50% on calibration gas replacement sensors and maintenance

Four-year sensor life means detector lasts 60% longer than the industry average

Unit uses 50% less calibration gas per minute than the average detectors within the industry

Two-tox CO/H2S sensor removes practically all cross-channel interference

Large buttons and high-contrast screen make operation easy in low-light conditions

Ribbed rubber housing provides secure grip and high durability

Unit features 95+ db alarm and ultra-bright LEDs

Exclusive end-of-sensor warning cautions user when unit's sensor needs to be changed

MotionAlert option tells others that user has become immobile

InstantAlert provides manual alarm to alert others of a dangerous situation


Confined space


Plant maintenance

Construction industry

General industry

Oil & gas industry

Utilities industry

Quantity must be 1 or more
Equipment available for both rental and purchase
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