Hewlett-Packard 427A Voltmeter

Back to HP Digital Meters Summary Page

BAMA Free Manual Download Site

Orig CostLow BidHigh Bidaverage
$225.00 (1968)
$375.00 (1975)
$625.00 (1980)
$1,235.00 (1986)
...
no bids (asked $45) 4/11/02 #1718814960 rogercarr
$15.00 5/3/02 #1726257534 quecan
$38.50 7/20/04 #3827659364 ridge_equipment (6 bids $25 start) (working-guarantee not DOA)

  • .
  • 22.5V Battery
  • .
  • .

  • Can measure DC voltages from 100 mV to 1kV full scale in 9 ranges in 10 dB steps.
  • Can measure AC voltages from 10 mV to 300V full scale at frequencies up to 1 Mhz in 10 ranges in 10 dB steps.
  • Can measure resistance from 10 ohm to 10 M ohm center scale.
  • Uses internal 22.5 V dry cell battery. (not included).
  • Has option 01 so you can plug it into a wall power outlet.
  • For DC voltmeter, input resistance is 10 M ohm.
  • For AC voltmeter, input impedance in 10 mV to 1V range is 10 M ohm shunted by < 40pF and input impedance in 3 V to 300 V range is 10 M ohm shunted by < 20pF
  • Weight: 5.3 lb.