# Distortion meter

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Electronic test equipment

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A **distortion meter** is a type of [electronic test equipment](/source/Electronic_test_equipment) used to determine specific [frequencies](/source/Frequencies) that cause distortion in electronic devices. The device is primarily used in [audio related equipment](/source/Audio_equipment).

## Features and uses

A typical unit injects a [signal](/source/Signal_(electronics)) in to the input of a circuit and monitors the output of the circuit for distortion.

## Types of distortion

1. Amplitude distortion.

1. Frequency distortion.

1. Phase distortion.

1. Intermodulation distortion.

1. Cross over distortion.

## See also

- [Electronic test equipment](/source/Electronic_test_equipment)

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