The data on humidity and temperature can be stored or recorded with a USB data logger. The data so recorded can be downloaded by connecting the device to a computer USB port as it comes with a USB interface. Vacker India supplies USB Data Loggers in India in regions such as Bengaluru, Mumbai, Delhi, Hyderabad, Ahmedabad, Kolkata, Chennai, Thiruvananthapuram, etc. This article explains a USB data logger used for recording the temperatures mainly in life sciences, cold chain, food processing industry, pharmaceuticals, and so on.