MSA Airpack Heads Up Display
Below are the air levels that correspond with the MSA HUD in the facepiece;
- 3 Greens were visible at 1600 psi and above.
- 2 Yellows were visible at 1100psi.
- 1 Red was seen at 500psi, low pressure bell alarmed.
- The red light went out at 100psi, along with the low pressure bell.
You should always double check by looking at your air gauge as well
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