Thermochron iButton DS1921G Data Logger is a self-sufficient, rugged system that measures temperature and records the data in a secure memory section. The temperature values are stored directly as well in the form of a histogram, and the recording is done at a user-defined rate. It is possible to store up to 2048 temperature readings taken at equidistant intervals ranging from 1 to 255 minutes in thermochron ibutton. The histogram has 63 data bins with a 2.0°C resolution.

Applications of ibutton data logger: Laboratory, Food Beverage, Life Science, Medical, Environmental, Cold Chain Logistics etc.