ESI IMPEDANCE BRIDGE MODEL 250-DE $99.99
WPI ISOMIL Optically isolated high-impedence millivoltmeter $216.91
Fluke 845AR High Impedance Voltmeter-Null Detector $500.00
HP Hewlett Packard 4815A RF Vector Impedance Meter Very Good Cond $299.95
SEL-587Z High-Impedance Differential Relay $2500.00
BECO Universal Impedance Bridge Model 315A, Brown Electro Measurement Corp. 315A $129.99
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