MICROTOPS II 是一款用于气溶胶光学厚度测量的5通道手持式太阳光度计。可以测量和存储5个非连续波长太阳径直辐射。MICROTOPS拥有与其它大型昂贵的仪器一样的度。可选的GPS接受器为野外测量提供了方便。用户可以从8个WMO波长滤光器中选择5个或者指定多达5个的定制波长。
Specifications:
Optical Channels:
340 ± 0.3 nm, 2 nm FWHM
380 ± 0.4 nm, 4 nm FWHM
440 ± 1.5 nm, 10 nm FWHM
500 ± 1.5 nm, 10 nm FWHM
675 ± 1.5 nm, 10 nm FWHM
870 ± 1.5 nm, 10 nm FWHM
936 ± 1.5 nm, 10 nm FWHM
1020 ± 1.5 nm, 10 nm FWHM
Stray light:
340nm: 1E-6 λ<650nm; 1E-5 λ<1.0μm
380nm: 1E-6 λ<650nm; 1E-5 λ<1.0μm
440nm: 1E-5 λ<1.0μm
500nm: 1E-6 λ<1.1μm; 1E-5 λ<1.2μm
675nm: 1E-6 λ<1.1μm; 1E-5 λ<1.2μm
870nm: 1E-6 λ<1.1μm; 1E-5 λ<1.2μm
936nm: 1E-6 λ<1.1μm; 1E-5 λ<1.2μm
1020nm: 1E-6 λ<1.1nm; 1E-5 λ<1.2μm
Resolution 0.1W/m²
Dynamic range >300,000
Viewing angle 2.5°
Precision 1-2%
Non linearity max 0.002% FS
Operating environment 0 to 50°C, no precipitation
Computer interface USB
Power source 4xAA Alkaline batteries
Weight 21 oz (600 grams)
Size 4"W x 8"H x 1.7"D (10x20x4.3 cm)
