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Instrument Overview

2. Description

2.1. Instrument Overview

  1. Communication
  2. Safe LED (green) and Fault LED (yellow)
  3. Sensor Inlets
  4. Horn
  5. Button
  6. Button
  7. Button
  8. Display
  9. Alarm LEDs (4)
  10. Clip
  11. Charging Connection
  12. Screws (4)
  13. Charge LED (red/green)

Figure 2-1. Instrument View

The instrument monitors gases in ambient air and in the workplace.

The ALTAIR 4X is available with a maximum of three sensors, which can display readings for four separate gases (one Two Toxic Sensor provides both CO and H2S sensing capabilities in a single sensor).

While the instrument can detect up to 30% oxygen in ambient air, it is approved for use only up to 21% oxygen.

The alarm levels for the individual gases are factory-set and can be changed through the instrument Setup Menu. These changes can also be made through MSA LinkTM Software. Ensure that the latest version of the MSA Link software has been downloaded from MSA's website www.msanet.com.

If gas is present during Fresh Air Setup, the instrument will fail and enter Measure mode.