高雄市共有23萬餘盞路燈，市府近幾年將傳統路燈陸續更換為節能LED路燈，以去年和103年比較已減少1.3億元電費，市府表示，最快明年底，高市可進入全LED路燈時代，可有效減少市庫支出。[more]   轉載自 聯合新聞網

Array spectroradiometers are used pervasively in light measurement. However, their properties are not widely understood by users. CIE 233:2019 seeks to educate users in the characteristics of array spectroradiometers that are important to obtaining accurate measurement results. Moreover, performance indices are proposed that will enable users to rank instruments according to the properties that affect their applications. In many cases, if the array spectroradiometer is properly characterized, correction can be made to measurements that will improve the accuracy.[more]