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WPI ISOMIL Optically isolated high-impedence millivoltmeter $199.00
Tenma 72-6947 Audio Impedance Tester $99.50
Tenma 72-6960 Audio Impedance Tester $50.00
Interacoustics Impedance Audiometer AT235 $850.00
Fluke 845AR High Impedance Voltmeter-Null Detector $500.00
New Tonghui TH2810D LCR Meter Digital Eectrical bridge impedance measurement $499.00
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