LumaSense Technologies INNOVA 1412i User Manual
Page 92
Chapter 8
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BE6025-15
1412i Photoacoustic Gas Monitor
LumaSense Technologies A/S
Page 92 of 202
shown, press the INFO button. Text will appear on the screen to
indicate why this particular measurement has been marked.
The number which is shown on the display – between time and
concentration – is only “filled-in” after completion of a monitoring
task. The number indicates the order in which the measurements
were made. The “oldest” stored measurement is always given the
number 1 and the following measurements are numbered se-
quentially.
Overview of the Monitoring Task:
These displays provide an overview of the monitoring task set-up
parameters.
Start of the Monitoring Task:
The Display Memory has a finite size and therefore, if a monitoring
task runs for a long period of time, it will fill up all available memory
space, and data collected after the memory has been filled-up will
start to overwrite the data collected during the start of the
monitoring task. Some measurement results will therefore be lost
from the memory. In such a situation the date and time appearing
after MONITORING TASK STARTED….. will not be the same as the
first date and time displayed on the screen labelled
1
Using the direction push-buttons and the average push-button, users
can scroll through each “page” of stored data and, in addition,
average gas concentrations over a pre-defined averaging period. The
functions of the push-buttons are described fully in
can be summarized as follows:
AVERAGE
When this push-button is pressed the 1412i will
average the measurement results which are stored
in its Display Memory over the period of time
Averaging Period specified in the FORMAT
branch of the Set-up “tree” (see
When the averaging function is operative (the LED
above the push-button is lit) only averaged
measurement results are shown on the 1412’s
display. These averaged measurements may also
be printed out while the averaging function is
operative. It is important to realise that when the
averaging function is switched off the original
measurement results will be shown again on the
display. An example of averaged measurements is
given in