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Tetra 3 Unpacking
Tetra 3
Personal Multigas Monitor
Thank you for purchasing the new Tetra 3 Personal Multigas Monitor. Tetra 3
has redefined portable gas monitoring and will give you years of unparalleled
service and reliability.
Please read the instructions carefully before use. Keep the manual for future ref-
erence.
Unpacking
Remove the Tetra 3 Personal Multigas Monitor from the packaging. The Tetra 3
accessories will be located in the bottom of the box. Check the contents are
complete, you should have:
• Tetra 3 unit;
• Charger and power supply;
• A configuration report detailing the sensors installed, alarm
settings and a calibration certificate;
• Optional accessories such as aspirator plate, aspirator bulb and
comms lead.
Battery check
The Tetra 3 Personal Multigas Monitor has a lithium-ion rechargeable battery.
Tetra 3 will operate for a minimum of 16 hours when fully charged.
Tetra 3 uses a Li-ion battery pack and should arrive with sufficient charge so that
the unit can be used straight out the box. However, if this is the first time you
have used the Tetra 3 unit, you may need to charge the batteries to attain the
full 16 hour operating time. The actual operating time will depend on the types
of sensors installed.
Warning: rechargeable units
Do not attempt to use any other charger with this unit except the one sup-
plied by Crowcon. Failure to comply could invalidate safety certification and
may result in permanent damage to the unit.
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