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24 Agilent U1251A/U1252A User’s and Service Guide
2 Making Measurements
Understanding The Measurement Instructions
When making measurements, follow the numerical steps
labelled in the diagrams. Refer to Table 2-1 below for a
description of the steps.
Measuring Voltage
The U1251A and U1252A offer true- RMS readings for AC
measurements that are accurate for sine waves, square
waves, triangle waves, staircase waves, and other waveforms
without any DC offset.
For AC with DC offset, use AC + DC measurement on
or rotary switch location. This applies only to
U1252A.
Table 2-1 Numerical steps descriptions
No. Instructions
Turn the rotary switch to the measurement option shown in the diagram
Connect the test leads into the input terminals shown in the diagram
Probe the test points
Read the results on the display
WARNING
Ensure that the terminal connections are correct for that particular
measurement before proceeding with the measurement. To avoid
damaging the device, do not exceed the input limit.