"0.1 um resolution, with HeNe laser optics
New Static sampling mode for improved measurement accuracy.
New 7"" high resolution WVGA screen for clear, crisp images and text.
New probe multi-connector for ease in attaching and swapping one of the variety of probes that are offered.
Two user replaceable batteries that can be ‘hot swapped” without shutting the unit down resulting in unlimited run time in battery mode.
Data collected can now be easily downloaded through the USB port.
Software upgrades can be uploaded directly by the end-user through the USB port.
There are now 6 channels of particle data for enhanced visibility to particle distribution."