Compact, light-weight, and low-cost, Amiscience's handheld Luminometer detects very small light signals generated from bio/chemi-luminescence assays. With similar sensitivity to most small bench-top instrument, this portable device provides easy-to-use, rapid-reading, and high reliability for a much lower cost. The simple touch-screen operation offers wide dynamic range with 3 levels of integration/averaging time, and selectable "blank" function. Built-in USB interface allows user to retrieve up to 80 data points for each integration time and upload to PC for analysis. This is your preferred device for applications in the fields of biology, chemistry, medicine, and environmental science, when portability, sensitivity, and cost are of importance.