照度計(jì) 型號:CD13-JD-3  庫號：M217982  

JD-3型數(shù)字照度計(jì)主要參數(shù)
1、測量范圍：0~20xl04│x（共分4檔）
2、測量誤差：≤士4％（國照度計(jì)標(biāo)準(zhǔn)）
3、色修正系數(shù)K=0．98-1．02（400-760nm波長）

照度計(jì) 型號:CD13-JD-3  庫號：M217982  
4、余弦修正精度：（角度響應(yīng)誤差）30°，≤±2％；60°，≤±5％；80°，≤±12％
5、疲勞誤差：≤±1
6、示值再現(xiàn)性誤差：≤±1

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