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Power Quality Analyzer Model 3945-B
33
- Press the
button again to move to the right to modify the last value
needed to complete the denition. Here you will choose whether to
include all harmonics or only the odd harmonics.
- Use the
buttons to make this selection. The diamond preceding the Odd
Onlychoicewillappearlledin forselectedandunlled for not selected.
Example of a user dened choice:Vh02→15 Odd Only.
Inthisuserdenedcondition,alloddvoltageharmonicsbetweenthe2
nd
and the
15
th
will be recorded.
• Press the
buttonwhenyouhavenishedselectingalltheparameterstobe
recorded to apply the new setup.
WARNING: The battery may fully discharge when recording for long periods of
time while not connected to a power supply. The PowerPad
®
will continue to
record for some time, even if below the minimum battery charge value. However,
the display may not come back on, and will eventually stop saving data when the
battery is too low. All data recorded will be saved.
If in the Record Mode, and the display does not come ON, do not turn the instru-
ment OFF. Supply power to the PowerPad
®
with the line cord and the display will
come back ON when any button (other than ON/OFF) is pressed.
4.1.9 Alarm
• Highlight ALARM with the
buttons, then press the button.
Thefollowingscreenwillappear:
07/25/02 10:26 100
%
Hysteresis 10 %
ON
ON
ON
ON
ON
ON
ON
3L
3L
3L
3L
Σ
3L
3L
01 s
02 s
01 s
05 min
15 min
01 min
10 min
2 1 0 V
0 0 2 0 A
0 8.0 %
1 0.0 %
1 0 0 0 W
0.9 2
0 5.0 %
<
<
>
>
>
<
>
1
2
3
4
5
6
7
8
9
10
Vrms
Arms
Vthd
Athd
W
PF
Vh 3
1
2
3
4
7
8
5
6
Figure 4-6