Voltcraft dl 111k usb temperature data logger voltcraft dl 111k the voltcraft dl 111k usb temperature data logger is a high quality compact data logger with a lithium battery for the recording of 32 000 temperature readings the stored data can be read via the usb interface and software supplied with the graphic analysis or for further processing with other programs to be exported recording interval of 2s to 24h br br system requirements windows reg xp sp2 windows vista 8482 wind