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MSA ALTAIR 4XR Multigas Detector®

$2,462.33

The MSA ALTAIR 4XR Multigas Detector is a rugged, high-performance portable gas monitor designed to detect up to four gases simultaneously. Built for industrial, confined space and emergency response environments, it provides reliable real-time monitoring of hazards including oxygen, combustible gases and toxic gases.

Engineered with advanced XCell® sensor technology, the ALTAIR 4XR delivers rapid response times, improved accuracy and extended sensor life—helping increase safety while reducing long-term operating costs. It also features Bluetooth connectivity for real-time data sharing and enhanced situational awareness across teams.

Common Key Features

  • Detects up to four gases simultaneously (e.g. LEL, O₂, CO, H₂S)
  • Advanced MSA XCell® sensors provide fast response and long service life
  • Bluetooth connectivity enables real-time monitoring and team communication
  • Integrated MotionAlert™ feature signals if a user becomes immobile
  • Audible, visual and vibrating alarms for increased safety awareness
  • Compact, portable design suitable for daily use in harsh environments

Performance & Design Features

  • Extremely rugged construction designed to withstand drops and harsh conditions
  • IP68-rated dustproof and waterproof housing for reliable use in challenging environments
  • Provides real-time incident awareness when paired with the ALTAIR Connect app
  • Long battery life supports extended shifts and continuous monitoring
  • Designed for use in confined space entry, industrial safety and emergency response
  • Backed by up to a 4–5 year warranty depending on model configuration

Specifications

Specification Details
Device Type Portable multigas detector
Gas Detection Up to 4 gases (LEL, O₂, CO, H₂S typical)
Sensor Type MSA XCell® sensors
Connectivity Bluetooth
Ingress Protection IP68 (dustproof & waterproof)
Battery Life Approx. 20 hours (model dependent)
Alarms Audible, visual, vibrating
Operating Temp Range Approx. -40°C to +60°C
Warranty Up to 4–5 years (model dependent)
Application Confined space / industrial / emergency response

Frequently Asked Questions

What is the ALTAIR 4XR used for?
It is used for detecting hazardous gases in confined spaces, industrial environments and emergency response situations.

What gases can it detect?
It can detect up to four gases simultaneously, typically including oxygen, combustible gases (LEL), carbon monoxide and hydrogen sulphide.

Does it support real-time monitoring?
Yes. With Bluetooth connectivity, it can share live data with the ALTAIR Connect app for improved situational awareness.

Is it durable enough for industrial use?
Yes. It is designed to withstand drops, harsh environments and exposure to dust and water.

How long does the battery last?
Battery life is typically around 20 hours, depending on usage and configuration.