Teledyne TurbO2 - Portable trace oxygen analyzer - Manual (Page 15)

11
Portable Trace Oxygen Analyzer TURBO
2
Teledyne Analytical Instruments
Maintenance
Recharging the Battery
TAI suggests that an overnight recharge be performed every 4 weeks of
continuous use. To recharge the batteries:
1. Move the Range Selector Switch to OFF and connect the power
cord to a convenience outlet. The amber charge lamp (back of
case) will light during charging. The integral charging circuit will
automatically energize and regulate the battery charging current
when the Range Selector Switch is in the OFF position and the
AC cord is plugged into the power line.
CAUTION: Do not turn the Range Selector Switch to either BATT TEST or any
of the operating range positions while the unit is connected to AC
power. Doing so may cause failure of the integrated circuit.
2. When recharging is completed, unplug the unit from the AC
outlet. Turn the Range Selector Switch to the operating position
and then to the BATT TEST position. Meter reads 60%-80% fs.
NOTE: The BATT TEST position will not give a reliable indication of the
battery charge immediately after a charge cycle. Allow the unit to run
for a while before testing the batteries.
If the instrument is stored with the Range Selector Switch in the OFF
position (charge cord disconnected), the period of time between charge
periods is extended from one month to four months. However, do not leave
it longer than this time period.