Description： DATA ACQUISITION SOFTWARE Model : SW-U801-WIN * The multi-displays (1/2/4/6/8 displays) powerful Windows program available for WIN 98, XP, Vista,　windows 7, 8, 8.1 which enables you to cooperate the LUTRON's RS232 instruments. It also　provides the functions of data logging system, text display, angular display, chart display, data　recorder high/low limit, data query, text report, chart report.. Data file can convert to Excel file,　wide intelligent applications. * Sampling time can be set from 1 to 3,600 seconds. * If SW-U801-WIN cooperates with the RSC-801, then the software can monitor the 8 meters (max.) 　with the 8 channels' display. If the computer is connected with two USB cables (USB-01) or more,　and run the software two times, it can read two (or more) meters' measurement value at the 　same time.