MSA altair 5, Instruction Manual

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11.
After installation of new sensors, allow them to stabilize at
least 30 minutes before calibration. Calibrate instrument
before use.
Calibration is required after a sensor is installed; otherwise,
the instrument will not perform as expected and persons
relying on this product for their safety could sustain serious
personal injury or death.
4.5. Replacing the Filter
(for instruments with integral pump)
1. Turn OFF the instrument.
2. Unscrew the two captive screws from the clear filter cover on the
back of the instrument to access the filter.
3. Carefully lift out the O-ring and the filter disk.
4. Place the new filter disk in the recess.
5. Replace the O-ring in the recess.
6. If the instrument is used in dusty environments, the fibrous dust
filters supplied in Maintenance Kit P/N 10094829 should be used in
addition to the filter disk. Place the fibrous dust filter in the clear
filter cover.
If the instrument is configured for a reactive toxic gas (Cl2,
ClO2, NH3), use only the filters supplied in the Reactive Gas
Maintenance Kit P/N 10099533.
7. Re-install the clear filter cover on the back of the instrument.
4.6. Cleaning the Instrument
Clean the exterior of the instrument regularly using only a damp cloth.
Do not use cleaning agents.
"
CAUTION
"
WARNING
4-7