Lascar-USB-Data-Logger-4-20mA-Current-Loop-Lascar-EL-USB-4-p-The-b-Lascar-EL-USB-4-b-current-loop-data-logger-can-measure-and-store-up-to-32-000-readings-over-a-4-to-20mA-DC-measurement-range-The-unit-is-simply-plugged-into-the-USB-port-of-a-PC-to-download-the-data-Using-the-included-purpose-designed-software-the-data-logger-may-be-set-up-by-changing-the-logger-name-logging-rate-high-and-low-alarms-and-start-date-and-time-Also-the-software-can-be-used-to-analyse-the-downloaded-da