Battery Charging (Lithium-Ion Battery Pack Only); To Charge The Instrument; Caution - MSA Sirius Mode D'emploi

b. Unscrew the captive thumbscrew and lift the lid.
• The lid will remain on the thumbscrew.
c. Replace the batteries, using only batteries listed on the
approval label, and replace the lid; tighten the thumbscrew.
d. Slide the battery pack into the clip and reinstall the door.

Battery Charging (Lithium-Ion Battery Pack Only)

Charge the Sirius Multigas Detector Lithium-Ion battery pack by using
the Sirius Charger supplied with the instrument. The Lithium-Ion battery
pack can be charged while on or off the instrument.
Use of any charger, other than the Sirius Charger supplied
with the instrument, may damage or improperly charge the
batteries.
Do not charge in a hazardous area.
• The Sirius Multigas Detector must be turned OFF, or the battery
pack may be removed from the instrument, prior to charging.
NOTE: If the instrument is not turned OFF, the charger connection
will turn OFF the instrument without warning.
• The charger is capable of charging a completely depleted pack in
less than six hours in normal, room-temperature environments.
NOTE: Allow very cold battery packs to stabilize for one hour at
room temperature before attempting to charge.
• Minimum and maximum ambient temperature to charge the
instrument: 10°C (50°F) to 35°C (95°F). Charging outside of this
range may not be successful.
• For best results, charge the instrument at room temperature (23°C)

To Charge the Instrument

• Snap the charger onto the instrument.
• Do not restrict or block the ventilation openings on either side of
the charger.
• Charge status is indicated by the LED on the charger.
• Red: Charging in process

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