Setting The Units Of Measurement; Measurement Units - Agilent Technologies E4418B User Manual

Power Meter Operation

Setting the Units of Measurement

Setting the Units of Measurement
The "dBm/W" menu is used to select the measurement units on the currently selected
window. These can either be logarithmic (dBm or dB) or linear (Watt or %) units.
Preset
Local
which units are applicable to the individual measurement modes.
Press
Softkeys which cannot be selected in your particular mode of operation appear with
their text grayed out.
Note
Single Channel
1. When relative mode is on (that is,
compared to a reference value.
2-32
sets the measurement units to dBm (logarithmic units). Table 2-5 shows
dBm/W
, then select the unit of measurement from
When the unit of measurement is set to Watt, it is possible that negative
power measurements may be displayed when measuring low power levels.
Table 2-5: Measurement Units
Measurement Mode
Relative Mode Off
Linear Log
Watt dBm
Rel
,
Rel Off On
Offset
, , or .
dBm W dB %
Relative Mode On
Linear Log
% dB
is "On")
, the measurement is
Agilent E4418B User's Guide
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