PSR 即Laboratory Portable SpectroReflectometer,，獨(dú)特的采用積分球設(shè)計(jì)對(duì)大部分的材料表面進(jìn)行半球光譜反射率快速測(cè)定,，光譜范圍250 to 2800 nm 。主要根據(jù)ASTM E903 規(guī)范,，對(duì)太陽(yáng)吸收進(jìn)行測(cè)定 .可同時(shí)提供用于真空環(huán)境測(cè)試版本 LPSR 300V. LPSR 300 采用Windows XP 操作系統(tǒng)傻瓜式圖形操作界面,。自動(dòng)操作模式可以選擇波長(zhǎng)起止范圍，步進(jìn)間距,。結(jié)果顯示為不同波長(zhǎng)的反射率值,，并自動(dòng)計(jì)算太陽(yáng)吸收。手動(dòng)模式可選擇光源,、探測(cè)器,、狹縫寬度及增益。 LPSR 300 是一個(gè)獨(dú)立的測(cè)試系統(tǒng),，無(wú)需其它硬件,。系統(tǒng)提供外接顯示器和鍵盤(pán)接口。內(nèi)置硬盤(pán)可存儲(chǔ)幾千次樣品掃描測(cè)試結(jié)果,，非常適合野外和實(shí)驗(yàn)室環(huán)境使用,。 LPSR300 同時(shí)系統(tǒng)集成了光學(xué)數(shù)據(jù)庫(kù)，可以和測(cè)試的結(jié)果進(jìn)行比對(duì),。 LPSR是根據(jù)NASA需求設(shè)計(jì)研制,，用于俄羅斯MIR空間站太空行走 |
| Wavelength | 250 to 2800 nm | | Monochromatic Type | Prism， with selectable wavelength and slit width | | Repeatability | -250 to 2500 nm- ± 1% -2500 to 2800 nm- ± 2 % | | Sample sizes | 0.5 inches in diameter or larger | | Measurement type | Spectral Total Hemispherical Reflectance | | Spectral resolution with automatic slit control | -250 to 2500 nm - better than 5% of wavelength -2500 to 2800 nm - better than 8% of wavelength | | Full scan measurement time | Less than 2 minutes | | Power required | 115 VAC/60 Hz | Dimensions | -Measurement Head: 10 x 12 x 8 inches -PC/Power Box: 9 x 16 x 20 inches -Instrument Head Carrying Case: 10 x 11.5 x 16 inches | | Weight | -Measurement Head: 15 Pounds -PC/Power Box: 35 Pounds | | Warranty | 1 year parts and labor |
*Note: terms reflectance,， emittance and absorptance and terms reflectivity,， emissivity and absorptivity are often used interchangeably. Spectroreflectometer， spectro-reflectometer and spectral reflectometer are also used interchangeably.(Alternative option to SOC,， 410,， 400T， directional reflectometer |
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便攜式光譜反射測(cè)試儀（近紅外）的工作原理介紹,？
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