The Extech® Instruments SDL800 vibration meter with displacement logs 20 million readings with date/time stamp on SD card. The datalogs are in Microsoft Excel® format for easy transfer to a computer. It offers a wide frequency range, RMS/peak/Max Hold modes, and adjustable sampling rate from 1 sec. to 1 hr. A remote vibration sensor with magnetic adapter is included. Optional Extech AC adapter UA100-240 and data analysis software 407001 are available separately.