The Eupry data loggers rely on WiFi. Data is sent wirelessly to the cloud. If the the data logger loses connection, say for example, if there was a power cut, it will keep monitoring temperature for up to 20 days. Once a connection is re-established, the data it has collected will be sent to the cloud.

If users would like to be notified of any loss of WiFi signal, it is recommended that they purchase a Connection Status Unit. Users only need one of these devices per WiFi network. The Connection Status Unit will continuously monitor the network and alert you immediately if a connection is lost.