> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pulseairtest.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Welcome to the Pulse documentation site

Pulse is a portable, compressed air-based system used to measure the air leakage of a building, room or enclosure directly at low pressure (4 Pa). The quick and simple method enables air leakage and airtightness tests to be carried out with minimal disruption at near ambient pressure levels.

A Pulse system comprises one or more air receivers, a portable compressor and a touchscreen control unit. The underlying components combine pneumatics, sensors, and dedicated electronics with bespoke software to form an air leakage measurement method known as Low Pressure Pulse (LPP).

The LPP method works by releasing a small, known burst of air into the space being tested and then measuring how the pressure changes. In a very airtight space, the pressure increases higher and falls more slowly. In a leakier space, the pressure increases less and drops more quickly.

## New to Pulse testing?

<CardGroup cols={2}>
  <Card title="Equipment" icon="microchip" href="/equipment/whats-included">
    Learn about each component used in Pulse air testing.
  </Card>

  <Card title="Operation" icon="clipboard-check" href="/operation/site-assessment">
    Understand how to operate the Pulse equipment and perform air tests.
  </Card>

  <Card title="Controller Software" icon="display" href="/software/basic-usage">
    Instructions on how to use the Pulse software and manage test results.
  </Card>

  <Card title="Pulse Online" icon="cloud-arrow-up" href="/online/how-access">
    View how to upload tests to the cloud and produce test reports.
  </Card>
</CardGroup>

## Setting up equipment

Get your Pulse equipment set up and running in minutes.

<Card title="Quickstart Videos" icon="rocket" href="/basics/quickstart-videos" horizontal>
  View our selection of quickstart videos for both Pulse 2.0 and 3.0.
</Card>

## Understanding results

<CardGroup cols={2}>
  <Card title="Test validity" icon="check-double" href="/test-results/test-validity">
    View the various possible test statuses and why they occur.
  </Card>

  <Card title="Result metrics" icon="chart-line" href="/test-results/result-metrics">
    Learn about each of the output result metrics and what they mean.
  </Card>
</CardGroup>

## Need help?

<CardGroup cols={2}>
  <Card title="Troubleshooting" icon="stethoscope" href="/troubleshooting/common-problems">
    Browse frequently asked questions or identify common problems and how to fix them.
  </Card>

  <Card title="Technical Support" icon="headset" href="/troubleshooting/technical-support">
    Contact our support team if you are unable to fix the problem.
  </Card>
</CardGroup>