10
Power Quality Analyzer Model 3945
Alarm:
• provides a list of the alarms recorded according to the thresholds
programmed during confi guration
• logging of interruption with half-cycle resolution
• determination of energy consumption exceedences
2.3 Display
300V
RMS
0
- 300
<t= 5.0ms
V1= +276
V2= -140
V3= -145
>
3U
3V
3A
L1
L2
L3
THD
CF
max
min
5
2
1
3
4
202.5 v
202.0 v
202.7 v
1
2
3
07/25/02
49.99Hz
10:26
100%
Figure 2-2
Top display bar indicates:
• Symbol of the tested mode (e.g.,
,
,
, etc)
• Frequency of measured signal
• Memory capacity status bar
(only available in certain modes)
• Current date and time
• Battery charge status
Measured RMS values associated with waveforms.
Values of signals at an instant “t”, at the intersection of cursor and the waveforms.
The cursor can be moved along the time scale by pressing the
buttons.
