HOBO Pendant MX Temp (MX2201) and Temp/Light (MX2202) Logger Manual
1-800-LOGGERS 7
Setting a Password
You can create an encrypted password for the logger that will
be required if another phone or tablet attempts to connect to
it. This is recommended to ensure that a deployed logger is not
mistakenly stopped or purposely altered by others. This
password uses a proprietary encryption algorithm that changes
with every connection.
To set a password:
1.
Tap the HOBOs icon and tap the logger to connect to it. If
the logger was configured with Bluetooth Always Off
enabled, press the circle on the logger to wake it up.
2.
Tap Logger Password.
3.
Type a password up to 10 characters.
4.
Tap Save.
Only the phone or tablet used to set the password can then
connect to the logger without entering a password; all other
mobile devices will be required to enter the password. For
example, if you set the password for the logger with your tablet
and then try to connect to the device later with your phone,
you will be required to enter the password on the phone but
not with your tablet. Similarly, if others attempt to connect to
the logger with different devices, then they would also be
required to enter the password. To reset a password, connect
to the logger, tap Set Logger Passkey, and select Reset to
Factory Default or press the circle on the logger for 10 seconds.
Reading Out the Logger
To download data from the logger:
1.
Press the circle on the logger to wake it up (unless it was
configured with Bluetooth Always Off disabled).
2.
Tap the HOBOs icon and tap the logger to connect to it.
3.
Once connected, tap Readout.
4.
Tap the Data Files icon to view a mini-graph of the
downloaded data.
5.
Tap the mini-graph to view a larger version of the graph or
to share the file. See the
HOBOmobile User’s Guide
for
details on viewing graphs and sharing data.
Data can also be uploaded automatically to HOBOlink, Onset’s
web-based software. Tap the Settings icon to enable the
HOBOlink Upload Data option (this requires a HOBOlink
account at www.hobolink.com). See the
HOBOmobile User’s
Guide
for more details on this setting and see the HOBOlink
Help for details on working with data in HOBOlink.
Logger Events
The logger records the following events to track logger
operation and status. To plot events in HOBOmobile, tap a
mini-graph and then tap
. Select the events you wish to plot
and then tap
again. You can also view events in shared or
exported data files.
Event Name
Definition
Host Connect
The logger was connected to a mobile
device.
Event Name
Definition
Started
The logger started logging.
Stopped
The logger stopped logging.
Chan <#> Alarm
Tripped/Cleared
An alarm has occurred because the reading
was outside the alarm limits or back within
range.
Note:
Although the reading may
return to a normal range, an alarm cleared
event will not be logged if the logger was
set up to maintain alarms until
reconfigured.
Button Up/Down
The
circle
on the logger was pressed to
wake it up/bring it to the top of the loggers
list in HOBOmobile.
New Interval
The logger has switched to logging at the
burst logging rate or back to the normal
rate.
Power Warn
The battery level dropped below 2.3 V.
Safe Shutdown
The battery level dropped below a safe
operating voltage and performed a safe
shutdown.
Deploying and Mounting the Logger
Follow these guidelines for deploying and mounting the logger.
•
You can deploy the logger by using the two mounting
tabs. Insert two screws through the holes on the
mounting tabs to affix the logger to a flat surface. Insert
cable ties through the rectangular holes on both
mounting tabs to attach the logger to a pipe or pole.
•
Use nylon cord or other strong cable with any of the
holes on the mounting tabs. If wire is used to secure the
logger, make sure the wire loop is snug to the holes. Any
slack in the loop may cause excessive wear.
•
When deploying in water, the logger should be
appropriately weighted, secured, and protected
depending on water conditions and desired
measurement location.
•
Loggers deployed in direct sunlight will heat up so that
temperature readings are warmer than the ambient
temperature. Use a solar radiation shield to ensure
temperature readings represent the ambient
temperature.
Attach the logger to a solar radiation shield (RS1 or M-
RSA) using the solar radiation shield bracket (MX2200-RS-
BRACKET). Attach the logger to the underside of the
mounting plate as shown in the following example. For
more details on the solar radiation shield, refer to the
Use screws with
the round holes
Use cable ties with
the rectangular holes
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