MICROTOPS II 是一款用于臭氧气柱总量测量的5通道手持式臭氧计。可以测量和存储UVB紫外范围内的5个非连续波长太阳径直紫外辐射。 利用936nm和1020nm通道，MICROTOPS II 还可以测量总水汽以及气溶胶光学厚度(AOT)。
Specifications:
Optical Channels:
305.5 ±0.3 nm, 2.0 nm FWHM
312.5 ±0.3 nm, 2.0 nm FWHM
320.0 ±0.3 nm, 2.0 nm FWHM
936 ±1.5 nm, 10 nm FWHM (optional)
1020 ±1.5 nm, 10 nm FWHM (optional)
Stray light:
1E-9 for 305.5 nm filter
1E-8 for 312.5 nm filter
1E-8 for 320.0 nm filter
1E-6 for 936 nm filter
1E-6 for 1020 nm filter
Resolution 0.0001uW/cm² on 305nm channel
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)
