Technical data

10
Portable Power Measurement – Mobile Power Acquisition and Data Logging
While previous power meters have been available in battery-operated
confi gurations, they only permitted simple local measurement functions.
The U2000 Series allows mobile operation using a laptop operating with a
minimum power, fed through the USB data cable from the laptop’s battery.
Thus, measurements can be easily made at remote sites, such as wireless
base stations. With its light weight and small size, the U2000 Series and
accompanying laptop can be carried with ease by a service technician to the top
of an antenna tower for routine power measurements.
By leveraging the data archiving capability of the Power Analysis Manager, this
mobile measuring system is able to log base station power characteristics as the
maintenance technician travels from one base station to another. The station
data is then preserved for later analysis back at the service center. Thus, this PC
and U2000 Series instrumentation can be considered as mobile power logger,
allowing the technician to store measurement data to easily confi gured data
fi les that eventually eliminates manual test data forms.
Figure 13 The USB offers plug-and-play capability for remote power measurement
on an ordinary laptop with its rechargeable battery and providing power
for the U2000 Series from its own USB data port.
USB 2.0-Compliant
Cable
USB Sensor
Base Station Tower