PQA819 - PQA820
EN – 16
7. RECORDING OF ELECTRICAL PARAMETERS
7.1. STARTING
RECORDING
Recording can be started MANUALLY or AUTOMATICALLY. Once the setting phase has
been completed and after quitting the menu mode, the instrument will start recording by
following logic illustrated hereunder:
MANUAL: Recording will start at the beginning of the minute after the
START/STOP button has been pressed.
AUTO:
If the operator has pressed the START/STOP key, the instrument will
wait until the date and time set for recording start have been reached and
then will start recording. If the operator does not press the
START/STOP key, instead, recording will NEVER start.
While the instrument is waiting to reach the starting date and time, the Status LED turns
on green steady.
CAUTION
When recording, we recommend ALWAYS using the external supply.
Before starting recording, the operator should make a real-time preliminary evaluation
of the system's situation, decide what to record and consistently set the instrument
To help the user in the setting phase, the instrument has been pre-set with a general
4-wire configuration for each selected electrical system, which should be suitable for
most of the cases in which the instrument is used
Pressing the START/STOP key starts recording the selected quantities according to
the specifications set in the menu (see § 5.7)
Since the default value of the integration periods is set to 15min, the instrument will
internally cumulate data in the temporary memory for that time. Once that time interval
has elapsed, the instrument will process the results saved in the temporary memory
and will save in the instrument's memory the first series of values relevant to recording
Therefore, assuming an integration period of 15min has been set, the duration of
recording will have to be at least of 15 minutes in order to produce a series of
recorded values which can therefore be transferred through the management software
In case recording is stopped before the selected integration period has completely
elapsed, the data cumulated in the temporary measurement will not be processed and
their relevant series of data will not be transferred to the instrument's memory.
7.2. WHILE
RECORDING
While recording it is possible to display the following data using the management software:
Starting date and time of recording
Value of the integration period
Number of elapsed integration periods
Recording duration
Number of voltage anomalies detected
7.3. STOPPING
RECORDING
Press the START/STOP key to stop recording.
