Měřící Energetické Aparáty
26
In the circular recording mode, measured data are permanently recorded only into the
memory card and the oldest data pages are overwritten. e measurement is ended after
the measurement is ended from PC.
2.3 Data transmission from the instrument MEg40
+
with memory card
e data transmission from the instrument MEg40
+
equipped with the memory card to
PC can be realized through a serial USB interface similarly as in case of the instrument
without a memory card. is method is time consuming and lasts tens of minutes even if
the running measurement is stopped.
e procedure used in practise to transmit data measured by the instrument MEg40
+
and stored on the 16 MB memory card includes taking out the card and subsequent
inserting another deleted memory card. en the memory card with the measured data
is to be inserted into a reader connected via the serial USB interface to PC. e reader is
supplied from the computer. After the utility of the memory card reader is enabled, the
card content is transmitted to PC. is can run in a time independent of the time when
the memory card was taken out from MEg40
+
.
Up to eight memory card can be inserted in the card reader simultaneously, their data are
automatically gradually read out into the memory of the computer. Before the data are
read out, the conguration of the inserted cards is read out and it is possible to view heads
of the measured data les on the individual memory card in detail. After the measured
data are read out from the memory cards into the computer, you can require verication
of the measured data transferred into your computer and data stored on the memory
cards and only then using the corresponding conrmed command, you can delete the
data and their heads recorded on the individual cards.
2.4 First insertion of 16 MB memory card into the instrument MEg40
+
e measured data written into the data memory of the instrument MEg40
+
must be read out
before the memory card is inserted.
e deleted 16MB memory card can be inserted into the programmed meter MEg40
+
any time. From the time when the card was inserted and the measurement head brought
on the card, the measured data are stored only on the memory card. After the 16 MB
memory card is inserted, the following message appears on the display of the instrument
MEg40
+
for 1.5 sec: „Memory module inserted / Start of recording“.
If a memory card was inserted into the instrument MEg40
+
that was marked by another
instrument and contains a dierent measurement head, the instrument detects this
discrepancy and displays alternately: „Memory module inserted. Module not deleted“.
en the instrument keeps displaying measured quantities alternately, however they are
not stored either into the instrument memory or onto the memory card. e modes
Recorder and Events may not be evaluated correctly on the display
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