Profile: Zylux Corporation provides quality instrumentation for luminescence measurements in biomedical research, environmental studies and clinical diagnostics. We offer microplate luminometers, single tube luminometers and luminometer validation tools. Our luminescence testplate allows the user to confirm a microplate luminometers performance in terms of reproducibility, changes in sensitivity, changes in linearity, width of the dynamic range and background variation. Our Orion L microplate luminometer is a flexible, high sensitivity photon counting luminometer equipped with up to two injectors, versatile PC software & USB connection, and it is useful for multiple user, multiple application research laboratory settings.