Equipment; Performing A Bump Test - MSA ALTAIR 4X Manuel D'utilisation

CSA requires (per 22.2 NO. 152) that the instrument's sensitivity be
tested before each day's use on a known concentration of methane
equivalent to 25 to 50% of full scale concentration. ACCURACY MUST
BE WITHIN 0 to +20% OF ACTUAL. Correct accuracy by performing
the calibration procedure within this manual.

3.8.1 Equipment.

See accessory section for ordering information for these components.
• Calibration Check Gas Cylinder
• 0.25 liters/min. Flow Regulator
• 1/8" ID Superthane Ester Tubing
• ALTAIR 4X Calibration Cap.

3.8.2 Performing a Bump Test

1. From the normal measure screen, press the ▼ button to display
"BUMP TEST?".
2. Verify the gas concentrations displayed match the Calibration
Check Gas Cylinder. If they do not, adjust the values through the
Calibration Setup menu as described in section 3.4.2.
3. Attach the calibration cap to the instrument.
• Insert tab on calibration cap into slot on instrument.
• Press calibration cap as shown until it seats onto instrument.
• Press both side tabs down onto instrument until they snap in.
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