Equipped with a high-precision external temperature sensor, this intelligent temperature data logger is widely used to record the temperature during the storage and transportation of food, medicines, chemicals and other products, especially in warehouse management, logistics and cold chain. Refrigerated containers, refrigerated packaging, cold storage warehouses, laboratories, etc. Directly connect to the PC via USB, the host computer software will automatically read the data and form a report, which is convenient for viewing and printing, and the operation is simpler. Features: Automatically measure and record temperature at the same time, with maximum/minimum value and data hold function, LCD display, convenient for customers to check the data and working status of the logger. Maximum data 16,000 points. With an external sensor, it automatically switches to an external probe after connection, and the measuring range is extended -40 ~ +85. Connect to a computer, powered by a USB interface, download data when the battery is discharged, data storage, and data can be read, saved and printed in Word/Excel/PDF/TXT format via PC data management software. Lower limit alarms can be set, analyze and download data.