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3. If you have an External Sensor model (U14‐002): Plug the external sensor into the RJ‐12 jack on the side of the HOBO
U14. Hold the black rubber flap down against the connector so it slides into the port. NOTE: The sensor readings will not
be displayed until the logger is launched (immediate or delayed) or the status is checked using either HOBOware or the
U‐Shuttle. The readings will not be logged until you launch the logger later in this procedure.
4. Connect the U14 to a computer running HOBOware. Plug the large end of the USB cable supplied with HOBOware into
a USB port on the computer and plug the small end of the cable into the side of the HOBO U14. If the logger has never
been connected to the computer before, it may take a few seconds for the new hardware to be detected (Windows only).
5. Start HOBOware and open the Launch window. From the Device menu, select Launch. Configure Launch parameters,
including a Launch description, logging interval, and start time. Click Help in HOBOware for details on Launch
parameters.
6. Configure Alarms (optional). Use the Alarm feature to flash a warning on the LCD if the monitored temperature or
relative humidity falls outside user‐selectable limits. If the temperature or RH measured by the logger falls outside the
selected high or low limit, the word 'Alert,' an alert symbol, and the temperature or RH measurement that went out of
limits will flash.
7. If you require remote or secondary notification of an alarm condition, you can connect a remote audio alarm and/or an
Automatic Dialer to the contact closure as described in Step 2.
To access the Alarm feature, click the Alarms button in the Launch window, which opens the following dialog box.
HOBO U14 Data Logger User Manual
HOBO U14 with Onset's ARA Remote Alarm and AVD‐45 Automatic Dialer
NOTE: The polarity must be as shown.
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