Functions 1 Eight particle-size channels (0.3, 0.5, 0.7, 1.0, 2.0, 5.0, 7.0, 10µm) 9-digit LED display (7 digitals for data display) 2 Count data is displayed as cumulative or differential count for each particle-size channel 3 Temperature and humidity display (optional) 4 RS-23more...