![]() Some temperature sensors say the batteries last 1 year or more, but that is because they only update once every hour. Long Battery Life and Small Size:įor a battery-powered freezer sensor, the typical battery life should be about 6 months with 4-5 minute updates. Some vendors support sending voice call alerts, which is great for emergency notifications in the middle of the night. It’s also possible to forward an email alert as an SMS text message to your phone using your mobile email address. For example, the temperature sensor email alert can be sent to a friend or employee in case you don’t receive the alert, or you are out of town. Freezer Alerts sent to Multiple People:Ī commercial freezer alarm allows you the ability to send High/Low Temperature Alerts to more than 1 email address. (see our related article on additional benefits of a wireless humidity sensor) 6. The temperature sensor should take a measurement or sample every few minutes, this is a reasonable amount of time to record each data point. Just add your phone’s hotspot as one of the Wi-Fi Profiles when you set up your new freezer temperature sensor. Once Wi-Fi is restored, it can connect automatically and upload the recorded data to the cloud.Īs a bonus, this allows you to record temperatures in a remote location (away from any Wi-Fi), and you could even use your phone’s mobile hotspot to retrieve the data at any time. The freezer sensor should be able to Record or Log the Temperature and Humidity data in case the Wi-Fi signal is lost or not in range. Freezer Alarm Monitoring with Data Logging: Desktop Browser – Freezer Temperature & Humidity Graphsĥ. This can help you locate the problems causing the high or low temperature for the area you are monitoring or pending equipment failures. With a good mobile phone app, you can see graphs of the temperature and humidity data for each of your freezer sensors.įor example, you can see in the graph below the temperature lows and highs and what time of day this occurs. Most sensors should update every few minutes, or allow you to select the update frequency as this could be a trade-off for longer battery life. You will want updates every 5 minutes or so. The update interval or frequency is how often the temperature sensor sends the data to the wireless network so you can view it on your cell phone. Then you can share 1 or more of your sensors with them. They would simply install the App on their mobile phone and create an account. This feature allows them to also watch the freezer temperature alarms, and get alerts if you want them to. Sharing allows your friends or co-workers to see your freezer temperature monitor that you wish to share with them. There are very few products on the market that have Wi-Fi built-in (see list below), some allow for Wi-Fi as an add-on with the purchase of an expensive gateway/hub or require you to install a wall thermostat. ![]() Some wireless freezer sensors may use Bluetooth, but this will only work if your phone is within 100 feet of the sensor, it can’t be monitored when you are far away from home/office. ![]() In order to monitor freezer temperatures from your phone, you will need a wireless temperature sensor device so it can connect to your home, office, or mobile hotspot router to transmit the data. ![]() Install the App on your Cell Phone to Monitor Freezer.Get a WiFi Temperature and Humidity Sensor.(optionally use a Mobile Hotspot or WiFi Extender).Install WiFi in your Home, Office, near the freezer.13.5 Share this: To M onitor Freezer Temperature with Alarms, do the following:
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