T&D Corporation’s Wi-Fi Connected 2 Channel Temperature Data Logger Model TR-71wf contains an integrated Wi-Fi function that enables it to automatically upload recorded data from the logger to the company’s free cloud based Webstorage Service.
This device also has an AP mode, which allows for direct log on and downloading of data by a smartphone or tablet. It can be set up, configured and operated without using a PC. The measurement range is -40 to 110 °C (Supplied Sensor) or -60 to 155 °C (Optional Sensor: Fluoropolymer Coated Type) with resolution of 0.1°C.