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MSA

Altair io 4

Portable Multi-Gas Detector · Gas Detection

Technical data from manufacturer or class sources · not yet verified by a person​​​​‌‌⁠‍‍​⁠‌⁠‍⁠‌​‌⁠⁠
4 gasesCapacity
Hazardous Gas DetectionMedium

The MSA Altair io4 is a handheld, four‑gas detector that continuously monitors O₂, CO, H₂S and combustible gases, with built‑in Bluetooth and optional cloud connectivity for fleet‑wide monitoring. As a Portable Multi-Gas Detector, it is normally installed in the protected space, on the person, or at a fixed sensor point with signals returned to the relevant alarm or monitoring system. In that role, its primary purpose is to detect hazardous gas, oxygen condition, fire indication or another safety-related condition identified by the listed category. Fixed, portable, optical, heat, gas and oil-mist sensors use different principles, so calibration and functional testing must match the actual detector type. Capacity: 4 gases. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.

Specifications

Technical data.

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Typeportable
Gases4
ConnectedYes
Service

Service notes.

What our service work and the manufacturer documentation say about keeping this model running.

IoT-connected detector. Cloud dashboard for fleet management.

Inspection

Common failures & inspection points

Spares

Replacement Parts

Spare parts notes

MSA: Special parts through the manufacturer. Lead time: 4-8 weeks. Gas detection sensors on board.

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