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MSA ALTAIR: Hydrogen Sulfide H2S Single Gas Detector
MSA ALTAIR: Hydrogen Sulfide H2S Single Gas Detector

MSA ALTAIR: Hydrogen Sulfide H2S Single Gas Detector

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MSA’s ALTAIR Single-Gas Detectors provide over two years of maintenance-free performance (depending upon alarm time used). These single-gas detectors are long-lasting, cost-effective, and offer outstanding dust and water protection while featuring a distinctive triple alarm system. Two bright LEDs and a piercing audible alarm paired with a standard vibrating alarm help to ensure that no alarm condition goes unnoticed. The outside of the device is wrapped with rubberized armor housing for maximum impact protection and features a large single button design for durability and ease of use. Units will not deactivate after two years of operation; instead will perform as long as battery capacity and sensor performance allow and the built-in calibration feature enables users to potentially further extend instrument life.


  • High-capacity battery
  • Rated to IP67 for dust and water ingress
  • Easy bump check and built-in calibration feature
  • Maintenance-free; no sensor or battery changes necessary
  • Built-in gas delivery adapter for gas response tests (no cap to lose)
  • Built-in IR communications enables interface MSA Link™ Software
  • Event recorder stores 25 latest events automatically in instrument memory
  • Bump check confirmed with checkmark on instrument LCD, displayed for 24 hours
  • Factory-calibrated detector with warranted two-year service life (1080 alarm minutes)


  • First Alarm: 10ppm
  • Second Alarm: 15ppm
  • Ingress Protection: IP67
  • Gas: Hydrogen Sulfide (H2S)
  • Measuring Range: 0-100 ppm
  • Event Logging: 25 latest events
  • Weight: 4.0 ounces including clip
  • Humidity: 10-95% RH non-condensing
  • Dimensions (L x W x D): 3.4 in x 2.0 in x 1.0 in
  • Operating Temperature Range: -4℉ to +122℉
  • Instrument Life: >2 years at an average of 2 minutes of alarm per day
  • Alarms Average: >95 dB at 30 cm, Ultra-LEDs, vibrating alarm standard
  • Warranty: 2 years or 1080 minutes (18 hrs) of alarm under normal conditions
  • US & Canada Certifications: Class 1, Division 1, Groups A, B, C and D

View the ALTAIR Single for Oxygen (O2) and Carbon Monoxide (CO)

  • Gas Type: H2S
  • One-button operation
  • Rubberized armor housing
  • No-miss triple alarm system
  • Sensor options available for CO and O2
  • Automatically records last 25 alarm/test events


Country Of Origin:
United States
Hydrogen Sulfide
Product Type:
Gas Detectors
dsg-msa-10092521-spec-sheet|pdf|Specification Sheet
2 Year

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