TR-5i Series data loggers are specifically designed to accurately measure and record temperature, voltage, or pulse count. Its body is made water resistant and is possible to be utilized in an environment with -40°C to 80°C temperature. This device is battery-powered thus making the loggers possible to be placed in any area without the need for AC power.
The data that has been recorded can be transferred to a PC using a separately-sold "Communication Port TR-50U2" or "Data Collector TR-57DCi", wherein users can analyze and view the data in graphs.