CTL has a state of the art C Type Goniophotometer to measure all photometry parameters like Total Luminous Flux, Luminous Intensity Distribution, Luminous Efficacy, Color Characteristics required for performance testing of Lamp/Luminaries. Various Indian and International standards like LM 79, IS 16106, IS 16102 (Part 2), IS 15111(Part 2), IS 2418 etc. mention photometry parameters.
C Type Goniophotmeter measures the total light radiated in all directions from a lamp. It is used for a variety of optical, photometric or radiometric measurements.