Fluke 289 True-RMS Stand Alone Logging Multimeter Stores up to 15,000 recorded events Real time clock for automatic time stamping of saved readings Large 50,000 count, 1/4 vga display with a white Backlight Low impedance voltage function prevents false readings due to ghost voltage Unique logging and graphing capabilities mean you no longer need to download logged readings to a PC to detect a trend Stores up to 15,000 recorded events.Electromagnetic compatability EMC EN6 1326-1 Real time clock for automatic time stamping of saved readings Large 50,000 count, 1/4 VGA display with a white backlight