... and improve the precision;2. To measure maximum luminous intensity0300cd , zero position luminous intensity and luminous intensity deviation angle θ and spread angle25%θ50 ... %θ75%θand other electrical parameter automatically.3. Ir LED, luminous flux, Color testing can be extended.4. These systems comply ... analysis for your R&D stuff. ZWL-500 Electrical Parameter & Luminous Intensity Test System