Low Power Operation - LogTag Recorders UTREL30-WiFi Product User Manual

Powering the UTREL30-WiFi

Low power operation

The UTREL30-WiFi enters low power operation when no external power is supplied, and
the AAA backup batteries are empty.
In low power mode
all WiFi and cloud connectivity is suspended;
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real time readings will no longer be transmitted to LogTag
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the audible alarm will sound only once, then be silent;
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the display turns off after 30 seconds of inactivity, regardless of the setting made in
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®
LogTag Analyzer;
reviewing the data is not possible (however a mark will still be placed if the review
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button is pressed);
the unit cannot be started via push button start, however, a recording in progress
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can be stopped, and a scheduled date/time start will proceed; and
Min/Max values cannot be cleared.
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After pressing any button, following is shown on the display:
The Recording state indicators, which show if
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the unit is recording, stopped, ready or
configured for a delayed start
The MainBackup Battery Empty
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The internal secondary backup battery will power the logger's essential functions:
The internal clock still runs.
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Temperature values are being recorded at the configured intervals.
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The red alert indicator will blink if an alarm is triggered.
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A scheduled recording will still start.
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At this time the batteries must be replaced, or external power provided, to activate the
suspended functions.
After battery replacement the display may be blank. To activate it, simply press
one of the buttons.
UTREL30-WiFi User Guide
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