---
title: What is the sampling rate of motion sensors in PRO line amplifiers?
description: PRO/PROX devices can acquire accelerometer, gyroscope and head-rotation motion data. These sensors are sampled at 100Hz, however we up-sample them to the EEG sampling rate when recording. For example,
---

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# What is the sampling rate of motion sensors in PRO line amplifiers?

PRO/PROX devices can acquire accelerometer, gyroscope and head-rotation motion data.

These sensors are sampled at 100Hz, however we up-sample them to the EEG sampling rate when recording. For example, if you choose to sample EEG data to 500Hz, the enabled motion sensors will be recorded with the same sampling rate.

This is because EEG and motion data are recorded and streamed together, so there's no inconsistencies in the recorded file.

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