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:MEASure Commands 24

Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide 635

:MEASure:VRMS

(see page 1610)

Command Syntax

:MEASure:VRMS [<interval>][,<type>][,<source>]

<interval> ::= {CYCLe | DISPlay}

<type> ::= {AC | DC}

<source> ::= {CHANnel<n> | FUNCtion<m> | MATH<m> | WMEMory<r>}

<n> ::= 1-2 or 1-4 (# of analog channels) in NR1 format

<m> ::= 1 to (# math functions) in NR1 format

<r> ::= 1 to (# ref waveforms) in NR1 format

The :MEASure:VRMS command installs a screen measurement and starts an RMS

value measurement.

The <interval> option lets you specify the measurement interval: either an integral

number of cycles, or the full screen. If <interval> is not specified, DISPlay is

implied.

The <type> option lets you choose between a DC RMS measurement and an AC

RMS measurement. If <type> is not specified, DC is implied.

If the optional source parameter is specified, the current source is modified.

Query Syntax

:MEASure:VRMS? [<interval>][,<type>][,<source>]

The :MEASure:VRMS? query measures and outputs the RMS measurement value.

Return Format

<value> ::= calculated dc RMS value in NR3 format

See Also • "Introduction to :MEASure Commands" on page 568

• ":MEASure:SOURce" on page 615

NOTE

This command is not available if the source is FFT (Fast Fourier Transform).

Keysight Technologies InfiniiVision 4000 X Series User Manual

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