... , easy operation, fast and precise test and real-time computer control. It is ideal for the particle test in production, ... and combined modeRepeatability Error: <4%(D50 of standard sample)Operating system: Windows 2000, Windows XPInterface: RS232 or USBTest Time: ... saving, locating, comparison, merging, editing, delete, help and system failure self-diagnosing. The test result can be classified and ...