Section 2: Setup and Test
HOBO Energy Logger User’s Guide
13
Launching the Logger
Once all Smart Sensors have been connected and FlexSmart modules
have been configured, access the Launch window in HOBOware and
take the following steps:
1.
Select the correct battery type (alkaline or lithium).
If the battery type is not set correctly, the batteries will not report
their power accurately.
2.
Review the list of channels.
Make sure all of your sensors and modules are listed in the
Launch window in HOBOware. The FlexSmart modules and
Smart Sensors are listed in ascending order by serial number. If
more than 15 data channels are connected, the devices with the
higher serial numbers will be ignored and their data will not be
recorded. The logger can only record 15 data channels at a time.
3.
Log battery voltage (Optional)
If you are using excitation power, you should also log the battery
voltage. This channel does not count towards the 15-channel
limit.
4.
Wrap (Optional)
The Energy Logger will stop logging when its memory is full, or
you can enable wrapping. With wrapping enabled, when the
logger’s memory fills up, the newest measurements will
overwrite the oldest measurements.
5.
Pre-set Data Assistants (Optional)
Configure pre-set Data Assistants as desired. See the
HOBOware
User’s Guide
for details.
6.
Review other launch settings.
Select logging and sampling intervals, and indicate whether you
want to begin logging now, wait for a timed delay, or a trigger
start. Refer to the
HOBOware User’s Guide
for more
information about these settings.
7.
Click
Launch.
Section 2: Setup and Test
14
HOBO Energy Logger User’s Guide
Depending on the option you select, the logger may start
automatically (either immediately or at a specified time), or you
may start it manually by pressing the
Push to Start
button on the
logger.
Checking Logger Status
You can verify logger status by looking at the indicator lights on the
logger. The LEDs blink to let you know if the logger is waiting for a
delayed or button start, or if the logger is already logging. Other LEDs
blink to warn you when battery power or memory is running low, or if
there is a sensor error. Refer to Indicator LED Behavior on page 34 for
details.
You can get more detailed information about battery power, sensor
readings, and memory in HOBOware at any time, whether the logger is
logging or not. Refer to the
HOBOware User’s Guide
for details about
the Status window.
Note:
In HOBOware, battery capacity is reported differently depending
on the type of batteries being used. For alkaline batteries, the status is
displayed as a percentage of the capacity remaining.
For lithium batteries, capacity is listed as “Good” for 25-100% capacity
remaining, or “Empty” for 25% or less capacity remaining. This is
necessary because lithium battery voltage does not vary much until the
batteries are nearly depleted. Because of the uncertainty in capacity, you
may wish to start each deployment with fresh lithium batteries that you
know are at 100%, rather than rely on old ones.
Stopping the Logger
If wrap is not enabled, the logger automatically stops recording data
when the memory is full. You can also stop the logger manually at any
time by using the
Stop
command in HOBOware.
Once the logger has stopped, the data remains in the logger until the next
launch.
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