Electrode Impedance Test System (EIT)


The impedance value of a metal microelectrode for neurophysiological research is a very important parameter to characterize the recording performance of the microelectrode. The Metal Electrode Impedance Tester Model EIT-201 is a precision instrument for measuring metal electrode impedance at a frequency of 1kHz. It is designed as a bench-top model. The model EIT-201 will measure electrode impedance in the two ranges 100kOhm…1MOhm and 1MOhm…10MOhm and displays the impedance value on an easy to read high quality digital liquid-crystal-display (LCD). A toggle switch is provided to select one of the two impedance test ranges. The EIT-201 has its own sine wave oscillator integrated which generates a very stable 1kHz sine wave test signal. The electrode impedance is measured with a constant current of 5nA. The EIT-201 measuring circuit is largely unaffected by microelectrode offset or tip junction potentials.The EIT-201 is delivered with all required accessories like for example a stable laboratory stand for mounting microelectrodes, a beaker for saline solution, connection cables, test resistors and power supply.

Artikelnummer: AN000250 Kategorie:


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