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供應(yīng)LM-2瞄點(diǎn)式亮度計(jì) 北京現(xiàn)貨 LM-3/LM-2 瞄點(diǎn)式亮度計(jì)利用透鏡成像原理,通過望遠(yuǎn)光學(xué)系統(tǒng),能在非接觸狀態(tài)下測定光源或物體的亮度。 1、光電探測器 選用高穩(wěn)定的、光譜響應(yīng)曲線與CIE(照明委員會(huì))V(λ)曲線嚴(yán)格匹配的光電探測部件,保障測量高精度與穩(wěn)定性。2、多視場角切換
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技術(shù)參數(shù):
型號(hào) | LM-3 | LM-2 |
測試功能 | 亮度(Y) | |
鏡頭焦距 | f =85mm | |
觀察視場角 | 8° | |
測量視場角 | 2°/ 1°/ 0.2°/ 0.1° | 1° |
測試距離 | 0.4m~infinite | |
小測量尺寸 (0.4m測試距離條件) | ~Φ11mm (2° field of measurement) ~Φ5.6mm (1° field of measurement) ~Φ1.1mm (0.2°field of measurement) ~Φ0.6mm (0.1°field of measurement) | ~Φ6mm |
亮度范圍 | 0.001~10000cd/m2 (2° field of measurement) 0.01~40000cd/m 2(1°field of measurement) 0.1~1000000cd/m2(0.2°field of measurement) 1~4000000cd/m2(0.1°field of measurement) | 0.001cd/m2 ~ 100,000cd/m2 |
亮度精度 | ±3% reading+1digit (according to standard JJG211-2005) | |
亮度重復(fù)性 | ±0.5% 供應(yīng)LM-2瞄點(diǎn)式亮度計(jì) 北京現(xiàn)貨 | |
通訊接口 | RS-232-C | |
顯示方式 | LCD display window | |
供電 | AC220V(通過交流適配器) 或標(biāo)配鋰電池 | |
標(biāo)配 | 主機(jī)、交流適配器、RS232通訊線、軟件、鋰電池、鋁箱 |
供應(yīng)LM-2瞄點(diǎn)式亮度計(jì) 北京現(xiàn)貨
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