Onset DC Installation Guide
External DC Power Cable (CABLE-RX-PWR)
For use with HOBO® RX3000 Remote Monitoring Station
The external DC power cable (CABLE-RX-PWR) is used to connect a user-supplied power source to the
HOBO RX3000 Monitoring Station to charge the station’s internal battery. The external power source
can be an intermittent power source, such as a 6W or larger solar panel. The external power source
must be able to supply 6W, but the average power used will be much less and depends on the
number and type of sensors, logging interval, and the frequency of internet connections.
Specifications
Wires Two internal 18-AWG, unstripped
Length 1.83 m (6 ft) cable
External Power Source Requirements
Voltage
Minimum Supply
Output Power
5 V DC minimum to 17 V DC maximum
6 Watt (typical power used is much less)
Connection Instructions
1. Connect the RED wire to the external power source’s positive terminal and the BLACK wire to the external power source’s
ground terminal using the proper wire preparation for the connection.
Connect BLACK to ground terminal
2. Plug the external DC power cable connector into the charging port in the station. If using the weatherproof cable channels,
route the external DC power cable through the leftmost hole in the smaller of the two channels.
Connect RED to positive terminal
Plug in connector here
1-800-LOGGERS (564-4377) • 508-759-9500
www.onsetcomp.com • loggerhelp@onsetcomp.com
© 2015 Onset Computer Corporation. All rights reserved. Onset, HOBO, and HOBOlink are trademarks
or registered trademarks of Onset Computer Corporation. All other trademarks are the property of
their respective companies.
19022-A MAN-CABLE-RX-PWR
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