HP 3440A & 3443A Digital Voltmeters – Nixie Tube

  • Two vintage Hewlett Packard bench DVMs
  • Models 3440A and 3443A
  • Nixie tube displays, both units illuminate clearly
  • Voltage measurement verified with external DC source
  • Units respond to applied voltage and track consistently across range
  • Minor variance between readings (~0.04V), typical for age
  • Includes original style power cord
  • No test leads included
  • Clean cosmetic condition with light scuffs and wear
  • Video included showing operation
  • No calibration performed
 
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