MSA ALTAIR Pro Single-Gas Detector


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Quick Overview

This single gas detector from Altair provides reliable detection to a range of toxic gases and oxygen levels between 25/200ppm. Not only does it have the benefits of the industry standard ALTAIR Single-Gas Detector but it also has additional features and functionality.


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ALTAIR Pro Single-Gas Detector- CO 25/200ppm
ALTAIR Pro Single-Gas Detector- CO 25/200ppm ALTAIR Pro Single-Gas Detector- CO 25/200ppm ALTAIR Pro Single-Gas Detector- CO 25/200ppm

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Brand MSA Safety
Number Of Gases 1 Gas
Type Of Gas Ammonia, Carbon Monoxide, Chlorine, Chlorine Dioxide, Hydrogen Cyanide, Hydrogen Sulphide, Nitrogen Dioxide, Oxygen, Phosphine, Sulphur Dioxide
Available Outside the UK? Yes

MSA Altair Pro Single Gas Detector

This is the featured MSA ALTAIR Pro Single-Gas Detector. Available to you are numerous different types of this detector which enables it to detect O2, CO, Steel CO, H2S, NH3, Cl2, ClO2, HCN, NO2, PH3 and SO2. The availability of these Single-Gas Detectors is below in the drop down box.

This ALTAIR Pro Single-Gas Detector is based on the industry-standard ALTAIR Single Gas Detector, but with additional features and functionality. This ALTAIR Pro toxic gas and oxygen detectors combine LED/audible/flashing/vibrating alarms and reliable detection with clear, back lit LCD displays. This particular model measures oxygen accurately and efficiently to ensure that there are no safety hazards. These particular models have been specifically designed and purpose-built for superior dust and water protection, excellent impact resistance and also excellent RFI performance.


  • Gas concentration displayed on a large, clear, backlit LCD
  • Unit detects O2, CO, Steel CO, H2S, NH3, CL2, CLO2, HCN, NO2, PH3 and SO2.
  • User can read data or change alarm set points by connecting unit to MSA Link via built-in IR communication port
  • Adjustable alarm set points
  • No-miss quad alarm system includes bright flashing LEDs, piercing audible alarm, LCD notification, and an internal vibrating alarm
  • Rubberized armor housing and one-button operation for maximum durability and simplicity
  • Easy alarm check, bump check, fresh air zero, and calibration
  • Easily replaceable batteries and sensors

Technical Specification

Technical Specifications
Weight (total)112 g including clip
Dimensions81 x 51 x 23 mm (H x W x D)
AlarmsAs Standard: 95 dB at 30 cm on average,
Ultra bright LEDs, Vibrating Alarm
Warranty2 years (excluding battery)
Battery Life Minimum 12 months under 8 hours per day
operation over a working week
Operating Range–20 °C to +50 °C
Humidity10–95% RH non-condensing
Ingress ProtectionIP 67
CertificationsATEX II 2G EEx ia IIC T4 –20 °C to +50 °C
Untitled Document
GasRange Resolution
Oxygen0-25% by vol0.1 Vol.%
Carbon Monoxide0-1500ppm 1 ppm
Hydrogen Sulfide0-200 ppm1 ppm
Hydrogen Cyanide0-30 ppm0.5ppm
Chlorine0-20 ppm0.1ppm
Chlorine Dioxide 0-1.00ppm0.02ppm
Sulfur Dioxide0-20ppm 0.1ppm
Nitrogen Dioxide0-20ppm0.1ppm
Phospine0-5.00ppm 0.05ppm
Remote Oxyen (O2-R)0-25% by vol 0.1Vol%
AlarmsAverage > 95dB @1ft, bright LED's, vibrating alarm standard

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