Audio Impedance Tester Portable CATIII Test Ranges 20/200/2000 Resistance Meter $84.99
WPI ISOMIL Optically isolated high-impedence millivoltmeter $199.00
Tenma 72-6947 Audio Impedance Tester $99.50
Interacoustics Impedance Audiometer AT235 $850.00
Fluke 845AR High Impedance Voltmeter-Null Detector $500.00
BECO Universal Impedance Bridge Model 315A, Brown Electro Measurement Corp. 315A $129.99
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