Difference Between Luminance, radiance , illuminance and irradiance

These terms are generally very confusing …. we have explained these terms in a tabular form as are easier to understand.

ITC India is a leading testing hub for Light testing as per BIS / IEC standards. With highly accurate equipment, engineers and infrastructure made possible to get all the approvals. We have many types of spectroradiometer with different Optical probes to measure the above-said parameters. We have the facility to provide the test report with in 24 hours , So pick up your mobile and connect with us or write the enquiries on info@itcindia@itcindi.org URL: www.itcindia.org