SIS-20 spectral irradiation sensor is an intelligent spectral acquisition device that integrates spectral, illuminance, and chromaticity measurement functions. The equipment adopts the principle of spectral testing, which solves the problem of spectral mismatch between traditional illuminance meters and colorimeters, ensuring testing accuracy. The device has achieved high integration, and its small appearance design meets the needs of various testing scenarios. At the same time, the device can be wirelessly connected to various mobile terminals to achieve flexible communication.