Agilent
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The 3400A can support measurements of audio signals, radio-frequency signals, broadband noise, and pulse waveforms.[2]
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The Agilent 3400A is a true root-mean-square voltmeter.[2][3]
The 3400A is used for audio measurements, most radio-frequency measurements, broadband noise measurements, and fast-rise pulse measurements.[2]
The 3400A provides a rear-panel dc output for connection to an X-Y plotter, strip chart recorder, or digital voltmeter.[2]
The dc output provides a linear zero to one volt drive proportional to meter deflection.[2]
The following facts about the 3400 A Voltmeter are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the 3400 A Voltmeter are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the 3400 A Voltmeter are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the 3400 A Voltmeter are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the 3400 A Voltmeter are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the 3400 A Voltmeter is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 8, 2026.