EPM-P Series Peak and
Average Power Meters
Option K01
Battery Operation
E4416-90034
General Information
General Information
The battery enables the use of your EPM-P power meter in operating
environments where there is no convenient access to an ac power
source.
With the battery option installed and the power meter connected to an
ac power source, the met er operat es fro m the ac source and t he b attery
runs in a controlled charge mode.
If the meter is powered up under battery power, or if ac power is lost
while connected to an ac source, a pop up window displays
Running Under Battery Power
backlight mode (see see Backlight on page 4) is over-ridden and the
backlight is on continuously. Pressing the softkey returns the
display to the previous screen.
Carry Case A soft carry/operating case is available which makes it easy to
transport and operate your power meter in installation and
maintenance environments. To obtain a carry case order Agilent part
number 34141A.
. When this screen is visible the
Continue
CAUTION Do not attempt to recharge the power meter or operate the power
meter from an ac power source while it is contained in the carry case.
2 EPM-P Battery Operation
Battery Operation
Battery Operation
Running Times For a single channel EPM-P power meter, a fully charged battery is
typically sufficient for up to 160 minutes continuous operation with
the backlight off, and up to 110 minutes with the backlight on.
For a dual channel EPM-P power meter, a fully charged battery is
typically sufficient for up to 75 minutes continuous operation with the
backlight off, and up to 45 minutes with the backlight on.
Battery Status You can check the status of the battery by pressing , ,
Battery
scale to show the charge condition of the battery. Below the analog
scale, the estimated remaining operating time is displayed.
Running time can be increased by operating the power meter with the
display backlight turned off (see Backlight on page 4).
. The Battery Status screen (Figure 1) uses an analog meter
Figure 1 Battery Status
System
More
During battery operation, when there are less than 10 minutes of
running time remaining, the message is displayed. In
addition, a pop up window appears every minute with the message
Battery Power Low
EPM-P Battery Operation 3
.
Battery Low
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