LogTag Recorders TRED30-16R Product User Manual page 11

During Recording
During normal operation the display shows the most recently recorded
temperature. This temperature is updated at the same rate as the
logging interval. The current time is also displayed (in 24 hour format).
A tick symbol is shown as long as no alarm event has occurred. If an
alarm event is registered, a cross symbol
At the bottom of the display you can see an alarm day summary, where
any days on which an alarm was recorded are highlighted.
Following are some sample display screens:
At 1: 29 pm the display shows the following:
Alarm events were recorded 7, 19, 20 & 25 days ago
l
These alarms were cleared by an inspector, as the display currently
l
shows the OK tick ( ).
The current temperature is over the upper alarm threshold, as
l
indicated by the upper alarm marker ( ).
the duration, however, of this temperature excursion has not yet
l
triggered an alarm
At 1: 49pm (20 minutes later) the display shows the following:
The temperature has remained above the upper alarm threshold
l
and has now triggered an alarm event.
The alarm symbol
l
The day marker for the current day (
l
At 1: 49am on the next day the display shows the following:
The temperature has returned to within the accepted range (none
l
of the alarm threshold markers are visible), but the alarm remains
present, as it has not been inspected and cleared
The day summary has shifted by 1 day as the display time has
l
passed through midnight (00:00).
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Page 11 of 17
is shown instead of the tick.
is shown to indicate an alarm event occurred
) is shown.
Marking a reading with an inspection mark
When you press the
by the TRED30-16R will be identified in the downloaded data with an
inspection mark.
An inspection mark will also be recorded if you clear an alarm.
Clearing an Alarm
During configuration with LogTag
clear an alarm on the display. This is a useful function for an inspector,
so new alarms can be recognised easier.
This display screen shows an existing alarm that occurred yesterday,
but has not yet been cleared:
To clear this alarm (quickstart enabled), press and hold the
START
/CLEAR/STOP
After approx. 2 seconds the cross
Release the button when the tick appears. The normal recording
display is shown.
If the quickstart option is disabled, the
seconds. When the
button within 2 seconds. The
cleared.
The alarm will not be cleared if you ...
... release the button before the
... if you keep holding the button after the
appears again.
... release the button before the
... if you keep holding the button after the
permanently on for more than 2 seconds.
In this example the paused function was activated, and the paused
symbol is shown on the display. For more information about paused
readings please see the section about
A mark will be placed in the readings when you clear an alarm.
Note: Only the Alarm Indicator can be cleared! The day alarm marker
( in the above example) remains shown, as it is part of the statistic
summary.
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TRED30-16R Product User Guide, Revision 1.4, copyright © 2004-2017,
button, the next reading taken
REVIEW
/MARK
®
Analyzer you can allow a user to
button.
will be replaced with the tick
symbol will flash for approx. 6
symbol remains permanently on, release the
symbol now turns off, and the alarm is
appears, or
appears until the cross
symbol remains permanently on, or
symbol remains
Paused Readings
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®
LogTag
.
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