MSA io4

ALTAIR io™ 4 Gas Detection Wearable

Support worker safety and connectivity with the ALTAIR io 4 portable gas detector

The ALTAIR io 4 is a secure, smart gas detector with out-of-the-box connectivity packed into an ultra-rugged design – featuring our XCell sensor platform which continues to lead the industry in lifetime & durability. The ALTAIR io 4 was designed from the ground-up to work seamlessly with the MSA Grid and the ALTAIR io Dock, providing hassle-free compliance, effortless fleet management & incredible visibility into your worker safety that you’ve never had before.



ALTAIR io™ 4 Gas Detection Wearable
Tough. Intuitive. Connected.

With fully integrated cellular connectivity right out-of-the-box, the ALTAIR io 4 delivers real-time visibility to help drive safety and productivity across workers, worksites, and workflows.

ALTAIR io 4 features:

Available through MSA+, our comprehensive subscription program including hardware and software, gives you access to powerful cloud-based solutions enabling faster implementation, increased warranty coverage and automatic software and firmware upgrades – with minimal capital expense
Designed with fully integrated connectivity for real-time visibility across your worksites from Day One
CAT-M LTE cellular connectivity and integration with the MSA Grid
Deploys in seconds, right out of the box. No IT required
Rugged, durable design and Industry-Leading XCell® Sensors
Survives a 25-foot drop test. Breakthrough sensor design enables faster response and shorter span calibrations
1 to 4 gas options available. Sensor Options: Combustible (LEL), Oxygen, Carbon Monoxide, Hydrogen Sulfide, Methane, Sulfur Dioxide, Nitrogen Dioxide, H2S Low-Concentration, CO, Hydrogen-Resistant SO2
The ALTAIR io 4 is part of the MSA Connected Work Platform, which helps to simplify safety, curb risk, and boost productivity.