照度計的種類和測量原理
點擊次數：2272 更新時間：2017-11-29
照度計 - 引照度計的種類：
1.目視照度計(ji)：使用(yong)不便，精度不高，很(hen)少使用(yong)
2.光電(dian)照度(du)(du)計(ji)：常(chang)用硒光電(dian)池(chi)照度(du)(du)計(ji)和硅光電(dian)池(chi)照度(du)(du)計(ji)
光電池照度計的組成與使用要求：
1.組成:微(wei)安(an)表、換擋旋紐、零點調(diao)節、接(jie)線柱、光電池(chi)、V(λ)修正(zheng)濾光器等組成。
常(chang)用(yong)硒(Se)光(guang)電(dian)池(chi)或硅(Si)光(guang)電(dian)池(chi)照度計,又稱勒克(ke)斯表
2.使用要求：
①光(guang)(guang)(guang)(guang)電池應用直(zhi)線(xian)性(xing)好(hao)(hao)(hao)的(de)硒(Se)光(guang)(guang)(guang)(guang)電池或硅(gui)(Si）光(guang)(guang)(guang)(guang)電池;長時(shi)間工作(zuo)仍能保持良好(hao)(hao)(hao)的(de)穩定性(xing),且靈敏(min)度(du)(du)高(gao);高(gao)E時(shi)選(xuan)用高(gao)內阻(zu)的(de)光(guang)(guang)(guang)(guang)電池,其靈敏(min)度(du)(du)低而線(xian)性(xing)好(hao)(hao)(hao),受強光(guang)(guang)(guang)(guang)照射不易(yi)受損
②內(nei)付有(you)V(λ)修正(zheng)濾光片,適宜用異色溫光源的照度,誤差小
③光(guang)電(dian)池(chi)前加一塊余弦角(jiao)度補償器(乳(ru)白玻璃或白色(se)塑料)原因是入射角(jiao)大時,光(guang)電(dian)池(chi)偏離余弦定則
④照度計應工作在室溫或接近室溫下(光電池漂移隨溫度改變而發生改變）
照度計 - 照度計測量原理
光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)是把光(guang)(guang)(guang)能直接轉換成電(dian)(dian)(dian)能的(de)(de)光(guang)(guang)(guang)電(dian)(dian)(dian)元件(jian)。當光(guang)(guang)(guang)線射到(dao)硒光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)表(biao)面(mian)時，入(ru)射光(guang)(guang)(guang)透過金(jin)(jin)屬(shu)(shu)薄(bo)膜4到(dao)達(da)半導體硒層2和金(jin)(jin)屬(shu)(shu)薄(bo)膜4的(de)(de)分界面(mian)上，在界面(mian)上產生光(guang)(guang)(guang)電(dian)(dian)(dian)效應(ying)。產生的(de)(de)光(guang)(guang)(guang)生電(dian)(dian)(dian)流的(de)(de)大小與光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)受光(guang)(guang)(guang)表(biao)面(mian)上的(de)(de)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)有一定(ding)的(de)(de)比例(li)關系。這時如果接上外電(dian)(dian)(dian)路，就會(hui)有電(dian)(dian)(dian)流通過，電(dian)(dian)(dian)流值(zhi)從(cong)以(yi)勒克(ke)斯（Lx）為刻(ke)度(du)(du)(du)的(de)(de)微安表(biao)上指(zhi)示出來(lai)。光(guang)(guang)(guang)電(dian)(dian)(dian)流的(de)(de)大小取決于入(ru)射光(guang)(guang)(guang)的(de)(de)強(qiang)弱。照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)有變檔裝置，因此可(ke)以(yi)測高(gao)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)，也可(ke)以(yi)測低照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)。 引照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)的(de)(de)種類： 1.目視照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)：使(shi)用(yong)不便(bian)，精度(du)(du)(du)不高(gao)，很少使(shi)用(yong)2.光(guang)(guang)(guang)電(dian)(dian)(dian)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)：常用(yong)硒光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)和硅(gui)光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)
1.目視照度計(ji)：使用(yong)不便，精度不高，很(hen)少使用(yong)
2.光電(dian)照度(du)(du)計(ji)：常(chang)用硒光電(dian)池(chi)照度(du)(du)計(ji)和硅光電(dian)池(chi)照度(du)(du)計(ji)
光電池照度計的組成與使用要求：
1.組成:微(wei)安(an)表、換擋旋紐、零點調(diao)節、接(jie)線柱、光電池(chi)、V(λ)修正(zheng)濾光器等組成。
常(chang)用(yong)硒(Se)光(guang)電(dian)池(chi)或硅(Si)光(guang)電(dian)池(chi)照度計,又稱勒克(ke)斯表
2.使用要求：
①光(guang)(guang)(guang)(guang)電池應用直(zhi)線(xian)性(xing)好(hao)(hao)(hao)的(de)硒(Se)光(guang)(guang)(guang)(guang)電池或硅(gui)(Si）光(guang)(guang)(guang)(guang)電池;長時(shi)間工作(zuo)仍能保持良好(hao)(hao)(hao)的(de)穩定性(xing),且靈敏(min)度(du)(du)高(gao);高(gao)E時(shi)選(xuan)用高(gao)內阻(zu)的(de)光(guang)(guang)(guang)(guang)電池,其靈敏(min)度(du)(du)低而線(xian)性(xing)好(hao)(hao)(hao),受強光(guang)(guang)(guang)(guang)照射不易(yi)受損
②內(nei)付有(you)V(λ)修正(zheng)濾光片,適宜用異色溫光源的照度,誤差小
③光(guang)電(dian)池(chi)前加一塊余弦角(jiao)度補償器(乳(ru)白玻璃或白色(se)塑料)原因是入射角(jiao)大時,光(guang)電(dian)池(chi)偏離余弦定則
④照度計應工作在室溫或接近室溫下(光電池漂移隨溫度改變而發生改變）
照度計 - 照度計測量原理
光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)是把光(guang)(guang)(guang)能直接轉換成電(dian)(dian)(dian)能的(de)(de)光(guang)(guang)(guang)電(dian)(dian)(dian)元件(jian)。當光(guang)(guang)(guang)線射到(dao)硒光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)表(biao)面(mian)時，入(ru)射光(guang)(guang)(guang)透過金(jin)(jin)屬(shu)(shu)薄(bo)膜4到(dao)達(da)半導體硒層2和金(jin)(jin)屬(shu)(shu)薄(bo)膜4的(de)(de)分界面(mian)上，在界面(mian)上產生光(guang)(guang)(guang)電(dian)(dian)(dian)效應(ying)。產生的(de)(de)光(guang)(guang)(guang)生電(dian)(dian)(dian)流的(de)(de)大小與光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)受光(guang)(guang)(guang)表(biao)面(mian)上的(de)(de)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)有一定(ding)的(de)(de)比例(li)關系。這時如果接上外電(dian)(dian)(dian)路，就會(hui)有電(dian)(dian)(dian)流通過，電(dian)(dian)(dian)流值(zhi)從(cong)以(yi)勒克(ke)斯（Lx）為刻(ke)度(du)(du)(du)的(de)(de)微安表(biao)上指(zhi)示出來(lai)。光(guang)(guang)(guang)電(dian)(dian)(dian)流的(de)(de)大小取決于入(ru)射光(guang)(guang)(guang)的(de)(de)強(qiang)弱。照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)有變檔裝置，因此可(ke)以(yi)測高(gao)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)，也可(ke)以(yi)測低照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)。 引照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)的(de)(de)種類： 1.目視照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)：使(shi)用(yong)不便(bian)，精度(du)(du)(du)不高(gao)，很少使(shi)用(yong)2.光(guang)(guang)(guang)電(dian)(dian)(dian)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)：常用(yong)硒光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)和硅(gui)光(guang)(guang)(guang)電(dian)(dian)(dian)池(chi)(chi)照(zhao)(zhao)(zhao)(zhao)度(du)(du)(du)計(ji)
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