HOBO Light On/Off Data Logger (UX90-002x) Manual
1-800-LOGGERS (564-4377) • 508-759-9500
www.onsetcomp.com • loggerhelp@onsetcomp.com
© 2012–2014 Onset Computer Corporation. All rights reserved. Onset, HOBO, and HOBOware are
trademarks or registered trademarks of Onset Computer Corporation. All other trademarks are the
property of their respective companies.
15431-E
The logger can also be powered by the USB cable when the
remaining battery voltage is too low for it to continue logging.
Connect the logger to the computer, click the Readout button
on the toolbar, and save the data as prompted. Replace the
battery before launching the logger again.
To replace the battery:
1.
Holding the logger with the LCD screen facing up, pull the
battery tray out of the logger housing.
2.
Remove the old battery from the tray.
3.
Place the new battery in the tray with the positive side
facing down.
4.
With the LCD screen still facing up, slide the tray back into
the logger. The LCD should display “HOBO” briefly after
correctly installing the battery.
WARNING:
Do not cut open, incinerate, heat above 85°C
(185°F), or recharge the lithium battery. The battery may
explode if the logger is exposed to extreme heat or conditions
that could damage or destroy the battery case. Do not dispose
of the logger or battery in fire. Do not expose the contents of
the battery to water. Dispose of the battery according to local
regulations for lithium batteries.
HOBOware provides the option of recording the current battery
voltage at each logging interval, which is disabled by default.
Recording battery life at each logging interval takes up memory
and therefore reduces logging duration. It is recommended you
only record battery voltage for diagnostic purposes.
CR2032 battery being
placed in the tray,
positive side facing
down
Battery tray removed
from logger
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