How is data logger data downloaded? L How is data logger data downloaded? Plug the base unit in using the AC adaptor. Insert USB stick/flash drive into unit’s USB port. Wait one minute. Remove USB stick/flash drive. (the data will be available in a .CSV file on the USB stick/flash drive) Post navigationPrevious post: Does the TM-4127 log data?Next post: Is there additional software required? Leave a Reply Cancel replyYou must be logged in to post a comment.