Alarm - AEMC PowerPad 3945-B User Manual

- Press the
needed to complete the definition. Here you will choose whether to
include all harmonics or only the odd harmonics.
- Use the
Only choice will appear filled in for selected and unfilled for not selected.
Example of a user defined choice: Vh 02 → 15
In this user defined condition, all odd voltage harmonics between the 2
15 will be recorded.
th
• Press the
recorded to apply the new setup.
The battery may fully discharge when recording for long periods of time while
not connected to a power supply. The PowerPad
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
instrument OFF. Supply power to the PowerPad
display will come back ON when any button (other than ON/OFF) is pressed.
4.1.9

Alarm

• Highlight ALARM with the
The following screen will appear:
1
2
3
4
Power Quality Analyzer Model 3945-B
button again to move to the right to modify the last value
buttons to make this selection. The diamond preceding the Odd
button when you have finished selecting all the parameters to be
buttons, then press the
ON 1 Vrms
ON 2 Arms
ON 3 Vthd
ON 4 Athd
W
ON 5
ON 6 PF
ON 7 Vh 3
8
9
10
07/25/02 10:26
Hysteresis 10 %
3L < 2 1 0 V
3L < 0 0 2 0 A
3L > 0 8.0 %
3L > 1 0.0 %
Σ > 1 0 0 0 W
3L < 0.9 2
3L > 0 5.0 %
Figure 4-6
Odd Only.
will continue to record for
®
with the line cord and the
®
button.
100%
01 s
02 s
01 s
05 min
15 min
01 min
10 min
and the
nd
5
6
7
8
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