Chapter 5: Maintenance
HOBO Energy Logger Pro User’s Guide 19
Chapter 5:
Maintainance
This chapter describes general maintenance activities for the HOBO Energy Logger Pro. This chapter discusses the
following maintenance topics:
a Schedule
a Tasks
General maintenance schedule
Regular maintenance of the logger is essential to ensure the accuracy of recorded measurements. The logger is
primarily intended for indoor use. It can be damaged by many environmental conditions, such as moisture, airborne
contaminants, vibration, and tampering. Performing regular maintenance checks allow you to:
• Verify that the logger is logging data and functioning as you expect
• Identify damage
• Minimize the impact of any existing damage
The following table lists maintenance activities and how often they should be performed:
Activity Frequency
Inspect logger housing
and cables
Each use.
Verify sensor accuracy Refer to the sensor manufacturer’s manual for
information on how often to verify sensor
accuracy.
Clean the logger As needed.
Replace the batteries At least once a year, or before any deployment
that requires many sensors, excitation, etc. or is
scheduled for an extended deployment.
Verify logger operation Before each deployment.
Inspecting the logger housing and cables
Periodically perform a visual inspection of the logger. Verify that the logger housing is free of visible damage, such
as cracks, and that it is clean.
Also ensure that cables and wires are free of damage, such as cracks, cuts, and splits; are fastened securely, free of
corrosion and in good condition.
Verifying sensor accuracy
Onset recommends that you test most Smart Sensor accuracies once a year. For details on verifying sensor accuracy,
refer to the documentation included with each sensor. For third-party sensors (even those supplied by Onset), refer
to documentation provided by manufacturer.
For a fee, Onset can verify the accuracy of any sensor. It may be possible to recalibrate some sensors. Contact Onset
Technical Support for details.
Cleaning the logger
The logger does not require specialized cleaning; however, if it is deployed in a dusty or grimy location, you should
wipe it down with a damp cloth occasionally. This will prevent dirt from interfering with sensors.
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