Setting Up Your Milesight EM300 Magnetic Contact Switch Sensor: A Step-by-Step Guide

Setting Up Your Milesight EM300 Magnetic Contact Switch Sensor: A Step-by-Step Guide

Welcome to the world of IoT and ConnectedFresh! This article will guide you through the process of setting up your EM300 Magnetic Contact Switch Sensor -- an alarming sensor for unauthorized entry in real-time. With just a few simple steps, you'll be up and running in no time. Let's get set up!


Unpacking Your Box

Your sensor box will come with the following components:

  • 1x EM300 Sensor



Mounting Your Sensor

Reference this article for more details. 
Choose the Mounting Location: Select a spot inside the fridge where the sensor can be mounted without obstructing any shelves or drawers. Ideally, choose a location that is central to get an accurate temperature reading of the entire fridge. Avoid placing the sensor too close to the cooling element, as this might give inaccurate temperature readings.

Prepare the Surface: Clean the chosen spot inside the fridge. The surface should be dry and free of grease or dirt to ensure the tape adheres properly.

Preparing the Sensor: Put one zip tie through each mounting hole in the sensor and through given 3M tags, then tighten the zip tie.

Mount the Sensor: Peel off the protective layer of the 3M tag. Carefully place the sensor onto the chosen spot in the fridge, pressing firmly for a few seconds to ensure a strong bond. Cut any additional zip tie slag if needed.

Activating Your Sensor

Here's how to turn on your EM300 Magnetic Contact Switch sensor:


  1. Note: The LED indicator and power button are inside the device. 

  2. Device is activated and ready to be installed 

  3. Clean the surface you prepare to tape on and let it dry

  4. Peel attached 3M double-sided mounting tape on the sides of the sensor 

  5. Secure the sensor in place on the wall

  6. Install the magnet parts beside the door or window

Monitoring Your Data

You can view your data in real-time by logging in to the ConnectedFresh portal: https://dashboard.connectedfresh.com. If you have not yet activated your account, you should have received an email with an activation link. If you can't find the email or the link has expired, please reach out to ConnectedFresh Support at support@connectedfresh.com.


That's it! Your EM300 Magnetic Contact Switch Sensor is now set up and ready to use. If you have any questions or encounter any problems, please don't hesitate to contact ConnectedFresh Support for assistance.


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