Product catalogue

Gas Detection

Leaks, oxygen deficiency, and invisible atmospheric hazards.

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What this category covers

Gas Detection — the range.

Single-gas detectors

Multi-gas detectors

Fixed gas-detection systems

Calibration & bump-test support

Products in this category

Gas Detection — featured products.

MSA ALTAIR 4XR Multi-Gas Detector

Rugged 4-gas personal monitor for LEL, O₂, CO, and H₂S — built for confined-space entry and live-plant work.

Sensors: LEL (catalytic), O₂, CO, H₂S
Continuous run time: > 24 hours
Intrinsically safe: Ex ia IIB T4 Ga

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MSA ALTAIR Single-Gas H₂S Detector

Compact, maintenance-free H₂S personal monitor — ideal for oil & gas, wastewater, and confined-space pre-entry checks.

Electrochemical H₂S sensor: range 0–100 ppm
Alarm setpoints: 10 ppm (low) / 20 ppm (high)
2-year operational life — no charging required

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Protection for these hazards

Specified for the risks on your floor.

Toxic gas release — H₂S, CO, and chlorine exposure

Oxygen deficiency or enrichment in confined spaces

Flammable and explosive atmospheres (LEL monitoring)

Pre-entry atmospheric testing and clearance

Continuous personal and area monitoring on live plant

Brands we carry

Global partners behind gas detection.

MSAHead, gas & fall

GVS / RPBRespiratory

All partners

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Other families of protection.

Head & Face Protection

Impact, splash, glare, and heat exposure.

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Body Protection

Heat, chemicals, pathogens, and mechanical hazards.

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Hand Protection

Chemical, thermal, electrical, and manual-contact risks.

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Eye Protection

Sparks, particles, splashes, dust, fumes, and impact.

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Fall Protection

Height work and elevated access.

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Fire Safety

Fire suppression, detection, and emergency response equipment.

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First Aid

Workplace first-aid kits, AEDs, and emergency response supplies.

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Not sure which protection fits the role?

Share your hazards and we'll specify the right PPE — fit, comfort, and compliance included — from the brands above.

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