LaserPoint s.r.l.- Plus2 Power & Energy Meter Instruction Manual - All Rights Reserved 18
At this moment Save key converts in a “Start” button . Touch it to start the data acquisition and their
logging; in these conditions the lower part of the instrument display gets the aspect shown in Fig. 18a.
During data acquisition and logging the lower part of the instrument display assumes the aspect shown in Fig.
18b.
After the data acquisition has started, the “Start” button converts in a “Stop” button allowing the user to stop
the data acquisition if Manual acquisition mode has been selected or to stop the data acquisition for any reason.
During the data acquisition the display segment f) in Fig. 4 shows a timer in its upper left part. The time shown by
this timer is the elapsed time in the case a Manual acquisition mode has been selected and the residual time in the
case a Timed acquisition mode has been selected.
Fig. 18a The “Acquisition ready” display image Fig. 18b The “Data Logging” display image
The logged data are then saved in an automatically generated folder in the USB memory named according
the following format:
X:\PLUS2\head serial number
The measured Values and Statistics data are saved in separate files contained in the previously described
folder and respectively named according the following formats:
DATA_nnn.txt and STAT_nnn.txt
15. Instrument alarms
This instrument displays two types of alarms: the head excess temperature alarm and measurement overflow
alarm. The instrument issues a warning message that appears on the display and remains up until the cause of the
alarm is being removed.
Overflow Alarm: This alarm appears when the signal detected by the instrument exceeds the instantaneous
maximum power the sensor head can bear or the manually selected measurement range has been overcome.
Temperature Alarm: This alarm is active for thermopile sensor heads and it appears when the sensor head
temperature exceeds its specified safety limit (typically 80°C).
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