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PFS-100 Photolysis Rate Analyzer

Product Summary:

Photolytic rate of some critical reactant and free radical (O(1D), NO2, H2O2, HONO, HCHO etc.) are key indicators for identify status & extent of photochemical pollution.The analyzer is receiving solar radiation by quartz probe and transferring the radiation to spectrum via optical quartz fiber, the spectrum data will be evaluated and compared with reference data with mathematical approach and gives photolytic rate.

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Product overview Product features
Product overview

Photolytic rate of some critical reactant and free radical (O(1D), NO2, H2O2, HONO, HCHO etc.) are key indicators for identify status & extent of photochemical pollution.The analyzer is receiving solar radiation by quartz probe and transferring the radiation to spectrum via optical quartz fiber, the spectrum data will be evaluated and compared with reference data with mathematical approach and gives photolytic rate.


Quartz 

Receiver 

Head

Angular response deviation within 

5 in each direction of the hemisphere

(2π sr

Кварцевая 

приемная головка

Отклонение углового отклика в пределах 5 в каждом направлении полушария(2π sr)
Measurement Components

J(O1D), J(HCHO-M), J(HCHO-R), 

J(NO2), J(H2O2), J(HONO), 

J(NO3-M), J(NO3-R)

Компоненты измерения
J(O1D), J(HCHO-M), J(HCHO-R), J(NO2), J(H2O2), J(HONO), J(NO3-M), J(NO3-R)
Spectral band range
270~790NM Спектральный диапазон
270~790NM
Spectral resolution

<0.75~0.85nm(FWHM)

Спектральное разрешение
<0.75~0.85nm(FWHM - Ширина на уровне половинной амплитуды)
Measurement method
Online continuous Метод измерения
Онлайн непрерывный
Spectral scan

Combining the results of different 

integration time spectral scans

Спектральное сканирование
Объединение результатов спектральных сканирований с различным временем интегрирования
Sampling time setting
Self-setting measurement time
Настройка времени выборки
Самоустанавливающееся время измерения
Dark noise calibration

Dark noise calibration of data within

a certain period

Калибровка темного шума
Калибровка данных по темному шуму за определенный период

Product features


  • Spectrograph detection using a spectrometer with a cooled CCD detector.
  • High resolution and sensitivity of spectral measurement.
  • Further improve the signal-to-noise ratio of spectral measurements by combining the spectral information of different integration times.
  • Ability to convert spectral detection into photochemical flux measurements based on factory calibrated instrument parameters.
  • The photolysis rate constants of multiple substances can be obtained simultaneously by combining the results of real-time spectroscopy measurements.
  • Simple instrument structure, fast response time, independent build calibration platform, can provide calibration services.


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