Esi Model 300 Portametric Pvb 300a Potentitometric Voltmeter Bridge

US $150.00

  • Bloomington, California, United States
  • Feb 26th
The ESI Model 300 Potentio-metric Voltmeter Bridge is a battery -operated multiple use dc measurement instrument . it combines in the same case a five-range ammeter ,a ten range Kelvin double bridge for two-, three-, or four terminal resistance measurements, a four terminal resistance comparison bridge, a ratio-meter, and a high-sensitivity electronic null detector.
Does not power on therefor untested and being sold for parts or repair only,( one toggle switch feels loose). See pictures posted for a full item description.
Brand ESI
Country/Region of Manufacture United States
Model 300

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