Dynamic Range 7 x 10² - 2.5 x 107 cells / mL (FLi & BF) 4.3 x 10 3 - 2.1 x 10 8 cells / mL (FLxi & BFx) Chamber Height 50, 100 or 400 µm Sample Volume 5, 10 or 40 µL Measurement Speed 3 Seconds - Brightfield 8.5 Seconds - Dual Fluorescence Brightfield Illumination LED 530 nm Fluorescence Illumination LED 470 nm