Air Quality Sensor Installation Guide

Sensor Overview

The ALTA Wireless Air Quality Meter works by turning on a small fan at the beginning of a measurement cycle to bring in a volume of ambient air and measuring the particulate matter (PM) content of that sample volume. The sensor measures PM content using a laser that scatters based on the number and size of particles suspended in the air.

The Wireless Air Quality Meter is capable of measuring PM1, PM2.5, and PM10 concentrations in the surrounding air with a measurement range of:

  • PM1: 0.3 to 1.0 um
  • PM2.5: 1.0 to 2.5 um
  • PM10: 2.5 to 10 um

Installation Steps

Note: If this is your first time setting up your Monnit system, you must first set up your iMonnit account and connect your ALTA Gateway to iMonnit before registering your sensor. See this article for steps outlining how to get started: Creating an iMonnit account.

Step 1.
Remove the sensor from the package. If installing an industrial sensor, attach the antenna.

Step 2.
Register the sensor in iMonnit. Do not install the batteries until told to do so in iMonnit.

Step 3.
Determine the sensor’s installation location. We recommend placing the sensor in the location and making sure it reports to the gateway before final installation. See this article if you use an ALTA Button Press Sensor to perform a site survey to determine sensor installation location.

Step 4.
After ensuring that the sensor is communicating with the gateway, mount the sensor using the supplied screws or double-sided tape.
Important: To ensure proper readings, mount the sensor in an area where nothing will block or impede airflow to the inlet port.

air quality sensor installation
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Step 5.


See also

Air Quality Meter Documentation
Master list of sensor installation guides



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