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 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


Authorized Distributor

Firematic is an authorized distributor and repair center for MSA gear in Connecticut (CT), New York (NY), Massachusetts (MA), Rhode Island (RI), and New Hampshire (NH). To learn more about MSA products, visit the MSA website.


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