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Difficulty: expert

Content

Learning Objectives

After reading this article, you’ll be able to:

  • Prepare your environment to start using Milesight

  • Configure your Milesight CO2 devices

Milesight CO2 Sensor gathers data for Humidity + CO2 + Temperature.

Prerequisite: Gateway

Milesight sensors connect over the LoRa network. Make sure you install your LoRa hub before installing the sensors (check out LoRa Gateways / Hubs installation guides for more information).

Packing list

Sensor configuration

All sensor settings can be configured via a smartphone application with NFC (Near Field Communication)

Make sure to use a NFC supported mobile phone and follow below steps:

  1. Remove the back panel of the sensor with a small screwdriver.

Keep the back panel and the sensor together, since the sensor ID is indicated on the back panel!

  1. Install the batteries that come with the device.

    1. Do not reverse the direction of batteries when installing.

The device can only be powered by ER14505 Li-SOCl2 batteries (not alkaline batteries). Using batteries other than the ones provided may result in loss of performance and battery life, and also damage to the device. Dispose of properly, observing environmental protection rules.

  1. Press and hold the power button (on the back of the device) for more than 3 seconds to power up

Don’t press longer than 10 seconds or the device will reset.

  1. Download and install “Milesight ToolBox” App from Google Play or Apple App Store.

  2. Enable NFC on the smartphone and launch Milesight ToolBox app.

  1. Hold the smartphone with NFC area to the Milesight CO2 sensor to read the device information. Basic information and settings of the device will be shown on ToolBox App if it’s recognized successfully.

 Picture of "Ready to Scan" message in Milesight ToolBox app

Make sure the reading completes 100% to make sure you’re working on the correct device.

 Picture of error message when NFC fails to read the device

You can read and configure the device by tapping the Read/Write device on the App.

  1. Ensure the correct placement location of smartphone NFC area compared to the device.

  2. It’s recommended to take off the phone case for optimal NFC use.

  3. If the smartphone fails to read/write configurations via NFC, remove the phone and try again.

Calibration

Go to Settings (header) > Calibration settings to calibrate the CO2 value.

Take these actions in fresh air, because the calibration needs to happen outside.

  1. Make sure Auto Background Calibration value is turned on.

  2. Select Manual Calibration

  3. Confirm the pop-up asking to start calibration

  4. The app will prompt you to scan the device again

  5. Hold the smartphone with NFC area to the Milesight CO2 sensor to start manual calibration

  6. Once successful, you will get a message

  7. As soon as the app confirms manual calibration ready, place the device outdoors for minimum 20 minutes

On the start screen of the app, it will indicate the device ID of the device you started with, but the app allows you to start calibration on other devices too!

If you are configuring multiple devices at the same time, you can just repeat the calibration steps with all the devices, as long as all of them are placed outdoors afterward.

Next steps

Now that all devices are calibrated, they can be installed following the instructions on Milesight CO2 Sensor Installation.

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