측정항목

Direct Normal Solar spectral Irradiance, Direct Normal Solar Irradiance(DNI), Aerosol Optical Depth(AOD), Atmospheric ozon,  Precipitable Water Vapor(PWV)

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Broadband Irradiance(DNI)

- Spectral rang : 280 - 4,000 nm

- Maximum Irradiance : 2,000W/㎡

- Response Time(95%) :  <0.5s

- Non-stability (change per year) : <0.2%

- Non-linearity : <0.5%

- Calibration uncertianty : 1.1%

- Temperature response : <0.1%(on-board temp. correction)

- Calibration uncertainty : 1.1%

- ISO 9060:2018 classification : Class A

- ISO 9060:2018 sub-category "Spectrally flat" : Compliant for sunlight

- ISO 9060:2018 sub-category "Fast response" : Optional

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Spectral Irradiance

- Spectral range : 280 - 4,000 nm 

- Spectral resolution : ±1nm

- Wavelength accuracy : ±0.1nm

- Spectral measurement uncertainty : <5% per wavelength

- Exposure time : <1ms

- Max. acquistion rate : 1Hz

- Temperature response : <0.1% (on-board temp, correction)

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Atmospheric Parameters(AOD, O3, PWV)

- Number of measurement channels : 6 physical + 3,715 calculated

- AOD measurement accuracy : ± (0.005 ± 0.01 AM)

- Precipitable water vapor uncertainty : <1nm

- Ozone measurement uncertainty(daily average) : ±3%

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General 

- Power : 12VDC

- Power consumption : <1W

- Communication : RS-485 ASCII, Direct to PC, serial over ethernet, datalogger

- Operating temperature : -30 ~ 65℃

- Humidity range : 0 ~ 100% RH 

Combox

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Mounting Plate / MP-D2

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Sun Tracker / ST-5 

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Carry Case / CC-D2