Setting The Range, Resolution And Averaging - Keysight N1911A Programming Manual

P-series power meters

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Setting the Range, Resolution and Averaging

This section provides an overview of setting the range, resolution and averaging.

For more detailed information about these features refer to the individual

You can set the window's resolution using the following command:

DISPlay[:WINDow[1]|2][:NUMeric[1]|2]

:RESolution <numeric_value>

There are four levels of resolution available (1 through 4).

When the measurement suffix is W or % this parameter represents the number of

significant digits. When the measurement suffix is dB or dBM, 1 through 4

represents 1, 0.1, 0.01, and 0.001 dB respectively.

Refer to the :RESolution command on

The power meter has a digital filter to average power readings. The number of

readings averaged can range from 1 to 1024. This filter is used to reduce noise,

obtain the desired resolution and to reduce the jitter in the measurement results.

However, the time to take the measurement is increased. You can select the filter

length or you can set the power meter to auto filter mode. To enable and disable

averaging use the following command:

[SENSe[1]]|SENSe2:AVERage[:STATe] <boolean>

N1911A/1912A P-Series Power Meters Programming Guide

Chapter 10, "SENSe

Power Meter Remote Operation

for further information.

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