Answer
May 02, 2023 - 02:34 PM
The MSA Altair 4 uses standard MSA 4-gas calibration gas.
The configuration for MSA calibration gas is below.
20ppm Hydrogen Sulfide (HS2)
60ppm Carbon Monoxide (CO)
58% LEL Pentane (1.45% Volume Methane as a Simulant)
15.0% Oxygen
balance Nitrogen (N2)
Here's a link to the MSA 4-gas calibration gas
The configuration for MSA calibration gas is below.
20ppm Hydrogen Sulfide (HS2)
60ppm Carbon Monoxide (CO)
58% LEL Pentane (1.45% Volume Methane as a Simulant)
15.0% Oxygen
balance Nitrogen (N2)
Here's a link to the MSA 4-gas calibration gas
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