MSA ALTAIR 2X Gas Detector, the first one- or two-gas portable detector to feature industry-leading XCell® Sensor Technology, offering exceptional performance, increased durability, and significantly reduced total cost of ownership.
MSA ALTAIR 2X Gas Detector, the first one- or two-gas portable detector to feature industry-leading XCell® Sensor Technology, offering exceptional performance, increased durability, and significantly reduced total cost of ownership. Designed to enhance worker safety, compliance, and traceability, the ALTAIR 2X sets a new standard in gas detection. It also introduces revolutionary XCell® Pulse Technology, making the ALTAIR 2XP model the world’s first to perform a stand-alone bump test without the need for calibration gas or accessories.
With fast response times, single or dual toxic gas sensor options, and a 3-year warranty on the instrument and most sensors, the MSA ALTAIR 2X is built for reliability. Its rugged design features IP67-rated protection and the ability to survive a 25-foot drop, ensuring dependable performance even in the harshest environments.
Features of MSA ALTAIR 2X Gas Detector
Advanced Sensor Technology
Equipped with MSA XCell® sensors for fast response, high accuracy, and long-term stability
Typical sensor life exceeding 4 years, reducing replacement frequency
Requires lower calibration gas volumes, minimizing operating costs
Low Cost of Ownership
Up to 3-year warranty on the instrument and most sensors
Reduced maintenance and calibration requirements
Designed for long service life in industrial environments
Stand-Alone Bump Test Capability (ALTAIR 2XP Models)
Built-in XCell Pulse Technology allows bump testing without calibration gas
Clear visual indicators:
Pass: Green LED with checkmark
Fail or expired: Red LED indication
Dual Gas Detection (ALTAIR 2XT Models)
Ability to monitor two toxic gases simultaneously
Optimized sensor layout to minimize cross-sensitivity
Compliance and Data Logging
Stores alarm and event logs for safety compliance
Continuous data logging for exposure tracking
Compatible with automated test and calibration systems for fleet management
Rugged and Durable Design
Over-molded rubber housing for shock resistance
Survives multiple 7.6 m (25 ft) drops onto concrete
IP67 rated: dust-tight and water-tight
Intrinsically safe for use in hazardous areas
Alarm Systems
Audible alarm approximately 95 dB
High-visibility LED alarms
Vibrating alarm for personal alerting in noisy environments
User Interface and Operation
Large, backlit LCD display for easy readability
One-button, one-handed operation
Simple menu structure for quick field use
Environmental Performance
Operating temperature range approximately –20 °C to +50 °C
Designed to withstand harsh industrial and outdoor conditions
Specifications of MSA ALTAIR 2X Gas Detector
Specification
Details
Brand
MSA
Size
89 x 54 x 25 mm (L x W x D without clip)
Weight
113 g with clip
Housing
Rugged rubberized armor
Ingress Protection
IP67
Drop Test
7.6 m
Handling
One-handed, one-button operation
Bump Test Indicators
Pass: Green LED flash & checkmark, Fail or expiration: Red LED flash only
Audible Alarm
95 dB at 30 cm
Visual Alarm
Ultra-bright LEDs
Vibrating Alarm
Standard
Display
Large-character monochrome LCD
Backlight
10s backlight with adjustable timeout
Battery
Replaceable lithium battery
Extended Temperature Range
–20 °C to +50 °C
Extreme Temperature Range
–40 °C to +60 °C
Data Log
2X/2XP: > 150 hrs, 2XT: > 100 hrs
Event Log
75 events
Standard Warranty
Chassis & electronics: 3 years, Cl2 & NH3 sensors: 2 years, All other sensors: 3 years (excluding consumable parts)
Typical Gas Detection Options
Carbon Monoxide (CO)
Hydrogen Sulfide (H₂S)
Nitrogen Dioxide (NO₂)
Sulfur Dioxide (SO₂)
Ammonia (NH₃)
Chlorine (Cl₂)
Hydrogen-resistant CO variants (CO-H₂, CO-HC)
Applications of MSA ALTAIR 2X Gas Detector
Welding Operations Continuous monitoring of toxic gases generated during welding and cutting processes to protect personnel from harmful exposure.
Confined Space Entry Gas detection in tanks, vessels, pits, tunnels, and enclosed areas before and during entry to ensure safe working conditions.
Turnarounds and Plant Maintenance Personal gas monitoring during shutdowns, inspections, and maintenance activities in refineries, petrochemical plants, and industrial facilities.
Emergency Response Rapid detection of hazardous gases to support first responders during leaks, spills, or accidental releases.
Firefighting Operations Monitoring toxic gas exposure in fire and post-fire environments to enhance firefighter safety and situational awareness.
Additional Information
Part Number
ALTAIR 2X
Usually ships in
2-3 Days
Manufacturer
MSA Safety
Downloadable
MSA ALTAIR 2X Gas Detector
MSA ALTAIR 2X Gas Detector Datasheet
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