Hewlett-Packard 331A Distortion Analyzer

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Agilent Free Manual and Schematic Download Site

Hewlett Packard Catalog CostLow BidHigh Bidaverage
$590.00 (1965)
$625.00 (1968)
$75.00 (1975)
$1,280.00 (1980)
...
$43.50 3/27/02 #1715342842 brltest
$76.00 4/1/02 #1716793516 markerorl
$42.55 5/3/02 #1726297771 earlybird405
$38.00 5/30/02 #1734444071 testequip4sale
$5.63 6/6/02 #1736883968 shiner00747 (broken)
$14.50 (+~$12 ship) 6/11/09 #320379933519 kydeaj (6 bids $10 start) (no mention of testing)
$56.00 (+$29.95 ship) 6/14/09 #380129751069 sabmag (8 bids $0.99 start) (powers on-"seems operational")
$42.70 (+~$29 ship) 7/6/11 #150625958054 ttkinvestments (12 bids $9.99 start) (powers on-needle moves when knobs are turned)

  • 5 Hz to 600 kHz input frequency range
  • 300 mV to 300 V RMS input voltage range
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    HP 331A Distortion Analyzer
    Range 5Hz to 600Hz. Input Range 300Mv to 300vRMS. Distortion Measurements down to 0.1%