# Impedance Meters

Impedance meters measure and log information regarding electrical equipment voltage and current. Impedance is the opposition to the flow of electrical current between a source and load. In an alternating current (AC) system, impedance testing measures resistance and reactance. In a direct current (DC) unit, you only need to document resistance. Measuring the electrical impedance of a load allows you to collect information about a piece of electrical equipment and measure its performance.

Audio impedance meters enable you to troubleshoot a variety of sound system issues, running basic or complex tests, to find and repair the source of the problem. We offer used and new impedance meters from top brands.

## Products in this collection

- [4800A Agilent Impedance Meter Used](https://valuetronics.com/products/4800a-agilent-impedance-meter-used) - 0.0 USD
- [4815A Agilent Impedance Meter Used](https://valuetronics.com/products/4815a-agilent-impedance-meter-used) - 0.0 USD
- [4193A Agilent Impedance Meter Used](https://valuetronics.com/products/4193a-agilent-impedance-meter-used) - 0.0 USD

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> Source: [ValueTronics](https://valuetronics.com/collections/meters-daq-impedance)
> Updated: 2026-06-03