Lascar el usb 5 counter event and state usb data logger lascar el usb 5 p the lascar el usb 5 is a standalone data logger that can record events detecting an input and storing the time and date of occurrence record state changes similar to an 8216 event but also recording when the input reverts back to normal and count events count the number of events that happen in a time period without any individual event time or date information up to 32 510 events or 32 510 state changes c