Vintage ESI Electro Scientific Industries Impedance Bridge 250DE $99.99
ECOS MODEL 1020 ELECTRICAL GROUND IMPEDANCE AND TESTER SAFETY ANALYZER $39.99
BAS-Zahner Amos IM6e Impedance measurement unit $432.81
IMPEDENCE MATCHING TRANSFOMER BNC F-BNC F, 50 OHM TO 75 OHM, 20-1100 MHZ $28.00
HP 41951-69001 Impedance Test Adapter $795.00
Interacoustics USA REF AT235h Impedance Audiometer Untested as is $439.20
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