MSA Altair 5X, 6 gases portable gas detector with pump




MSA ALTAIR 5X Gas Detector measures up to 6 gases including natural gas. Now available with a PID Detector.

The MSA ALTAIR 5X Gas Detector is capable of measuring up to 6 gases simultaneously and is now available with integrated PID sensor for VOC detection. Driven by advanced MSA XCell Sensor Technology, the ALTAIR 5X Gas Detector delivers faster response time, better stability, accuracy, longer service life, and cost savings over the life of the instrument.

  • Detects combustible gases in LEL and/or volume percentage range, oxygen, carbon monoxide, carbon dioxide, hydrogen sulfide, sulfur  dioxide, ammonia, chlorine, VOCs,  and many others depending upon sensor configuration.
  • Rugged overmolded polycarbonate housing provides unsurpassed durability, including ability to survive 10-ft. (3m) drop; IP65-certified.
  • Field-proven integral pump provides consistent gas flow, eliminating concerns of externally-attached components.
  • High performance XCell Sensors last longer:
    • Typical life greater than 4 years for combustible, O2, CO/H2S, SO2, CO/NO2 and CO (high concentration) sensors.
    • Typical life greater than 3 years for NH3 and Cl2 sensors.
    • Most sensor response and clear times <15 seconds.
  • Less calibration gas used: Requires about half of test gas typically used for calibration and bump tests.
    • Rapid bump test gives results in less than 10 seconds for most common sensor configurations.
    • Span calibration time of 60 seconds for most common sensor configurations.
  • MotionAlert feature option tells others that user has become immobile.
  • InstantAlert feature provides manual alarm to alert others as to a potentially hazardous situation.
  • PID option allows for accurate, reliable VOC response with programmable reference factors.
  • Large buttons and bright display provide easy operation, even when users wear gloves.
  • Exclusive end-of-sensor warning cautions users when unit’s sensor nears end-of-life.
  • Versatile MSA Link Software allows users to transmit data to a computer.
  • Compatible with GALAXY GX2 Test System and MSA Link Pro Software for fleet management.
  • Wireless bluetooth included standard.

Markets: Construction, Fire Service, General Industry, Oil & Gas, Utilities
Applications: Confined Space, Turnarounds & Plant Maintenance



All your MSA Gas Detection needs. We carry the entire line of MSA Gas detection equipment including the Altair 4X, Altair 4XR, Altair 5X, Sirius, Altair and Altair Pro Single Gas, replacement sensors and parts, calibration gas, and much more! MSA gas detection for single or multi gas detectors are available in compact, light weight models and are extremely reliable, robust and fully configurable and maintenance friendly. The personal gas detection of MSA can be used for every application and under the most severe conditions!


Altair 5 Specifications

Drop test 6 feet
Housing Rugged rubberized armor
Weight 1 lb, 1.15 lb. (with IR sensor)
Dimensions (L x W x D) 6.68″ x 3.52″ x 1.95″ (rechargeable, pumped, with belt clip)
6.68″ x 3.52″ x 1.65″ (rechargeable, diffusion, no belt clip)
Audible alarm >95 dB at 1 ft
Visual alarm 2 ultra-bright LEDs
Vibrating alarm Standard
MotionAlert feature Standard
InstantAlert feature Standard
Display size 1.79″ x 1.39″ high contrast, back-lit
Display option color/monochrome
Backlight display time adjustable
Battery Rechargeable Li-ion or Alkaline
Run time 15 hrs @ room temperature, 12+ hrs for IR version @ room temperature
Charging time <= 6 hrs
temperature range
-20 ºC to +50ºC
Humidity 15 – 90% RH non-condensing
Ingress protection IP65
Data log > 200 hrs
Event log > 1000 events
Warranty 2 years under normal use conditions for LEL/O2/CO/H2S versions
Certifications CE ATEX I I 2G / Ex ia d IIC T4 –20°C to +50°C / UL Class I, Division 1, ABCDFG, Class II, Class III / CSA C22.2 No. 157 Class I, Div. 1, Groups ABCD / ANZ Ex ia s I/IIC T4 (Zone 0) -20˚C to +50˚C / IEC Ex ia d e I/IIC T4 -20˚C to +50˚C

Gases and Ranges

Gas Range Sensor type Resolution
LEL 0-100% Catalytic combustible 1% LEL
O2 0-25% Vol Electrochemical 0.1% Vol
CO 0-999 PPM Electrochemical 1 PPM
H2S 0-200 PPM Electrochemical 1 PPM
SO2 0-20 PPM Electrochemical 0.1PPM
Cl2 0-20 PPM Electrochemical 0.1PPM
NH3 0-100 PPM Electrochemical 0.5PPM
PH3 0-5 PPM Electrochemical 0.1PPM
*HCN 0-30 PPM Electrochemical 0.1PPM
ClO2 0-1 PPM Electrochemical 0.01PPM
NO2 0-20 PPM Electrochemical 0.1PPM
CO2 0-10% Vol IR 0.01% Vol
CO2 0-50% Vol IR 0.1% Vol
CH4 0-25% Vol IR 0.2% Vol
C3H8 0-100% LEL IR 1% LEL
C3H8 0-100% Vol IR 1% Vol
C4H10 0-25% Vol IR 0.1% Vol
*C4H10 0-100% Vol IR 1% Vol




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