Lascar usb temperature data logger lascar el usb 1 cal t buy usb temperature datalogger from lascar a compact easy to use datalogger that can record up to 16 382 temperature readings and then download the data when the unit is plugged straight into a pcs usb port using the included purpose designed software the collected data can be graphed printed and exported as well as being used for setting up the data logger by adjusting the logger name degc or degf measurement logging rate