1. 用途
系統(tǒng)用于在線連續(xù)測(cè)量顆粒消光系數(shù)

? 環(huán)境光淬滅測(cè)量
? 環(huán)境變化研究
? 道路監(jiān)測(cè)
? 燃燒羽流分析
? 飛機(jī)發(fā)動(dòng)機(jī)排氣監(jiān)測(cè)
? 空氣質(zhì)量檢測(cè)
? ……
2. 原理
空腔衰減相移技術(shù)。

3. 特點(diǎn)
? 可測(cè)量低至1 Mm-1水平的消光系數(shù)
? 測(cè)量精度高
? 幾乎免維護(hù)
? 操作簡(jiǎn)單
? 適用于各種環(huán)境條件
? 價(jià)格經(jīng)濟(jì)
4. 波長(zhǎng)選擇
CAPS PMssa單通道提供5個(gè)波長(zhǎng)可選:遠(yuǎn)藍(lán)(4050nm)、藍(lán)(450nm)、綠(525nm)、紅(630nm)、遠(yuǎn)紅(660nm)

5. 基本技術(shù)指標(biāo)
靈敏度:3.0Mm-1 (1s), 0.5Mm-1 (60s) both channels SSA ± 0.03(30s)
響應(yīng)時(shí)間:1s
采樣流速:0.85L/min,內(nèi)置氣泵
操作氣壓:環(huán)境氣壓
樣品接觸材料:導(dǎo)電氨基甲酸乙酯、不銹鋼、導(dǎo)電硅酮、鋁
數(shù)據(jù)輸出:RS-232,USB,Ethernet,儀器內(nèi)存可存儲(chǔ)5年的數(shù)據(jù),顯示屏可顯示數(shù)據(jù)
規(guī)格:61cmx43cmx23cm, 16kg
供電:200~250V AC,50~60Hz,50~100W
6. 產(chǎn)地:美國(guó)
7. 參考文獻(xiàn)
“Single Scattering Albedo Monitor for Airborne Particulates", T. Onasch, P. Massoli, P. Kebabian, F. Hills, F. Bacon and A. Freedman, Aerosol Sci.Technol., 49, 267-279, 2015.
“Aerosol light extinction measurements by Cavity Attenuated Phase Shift Spectroscopy (CAPS): laboratory validation and feld deployment of a compact aerosol extinction monitor," P. Massoli, P. Kebabian, T. Onasch, F. Hills, and A. Freedman, Aerosol Sci. Technol., 44:428–435 (2010).
“System and Method for Precision Phase Shift Measurement ", P.L. Kebabian, U.S. Patent No. 8,364,430 (issued Jan. 29, 2013).
“System and method for trace species detection using cavity attenuated phase shift spectroscopy with an incoherent light source", P.L. Kebabian and A. Freedman, U.S. Patent No. 7,301,639 (issued November 27, 2007).