During Recording; Marking A Reading With An Inspection Mark; Clearing An Alarm; Paused Readings - LogTag Recorders TRED30-16R Product User Manual

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 occured. 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 cross symbol is shown to indicate an alarm event occurred
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 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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is shown instead of the tick.
) is shown.
TRED30-16R Product User Guide, Revision 1.3, copyright © 2004-2016,

Marking a reading with an inspection mark

When you press the
REVIEW
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, press and hold the
After approx. 2 seconds the cross
Release the button when the tick appears. The normal recording
display is shown.
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
The alarm will not be cleared if you release the button before the cross
disappears.
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.

Paused Readings

During configuration of the TRED30-16R you can set the option to
ignore a set number of readings for alarm- and statistics calculations
after either button is pressed. The readings are still shown on the graph
and in the data listing, but they are labelled as paused, and their value
is ignored when determining alarm trigger conditions,
minimum/maximum values an other statistical calculations. This
function is useful when you wish to review readings during the
recorder's operation (or clear an alarm), but you do not wish to trigger
an alarm due to your handling the product. It also allows the recorder to
button, the next reading taken
/MARK
®
Analyzer you can allow a user to
START
/CLEAR/STOP
will be replaced with the tick
Paused Readings below.
®
LogTag Recorders . All rights reserved.
button.
.