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Analizador de fotólisis PFS-100

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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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.

Analizador de fotólisis PFS-100 Especificaciones técnicas

Quartz Receiver Head Angular response deviation within ±5% in each direction of the hemisphere (2π sr)
Measurement Components 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
Spectral resolution <0.75~0.85nm(FWHM)
Measurement method Online continuous
Spectral scan Combining the results of different integration time spectral scans
Sampling time setting Self-setting measurement time
Dark noise calibration Dark noise calibration of data within a certain period

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Características principales de Analizador de fotólisis PFS-100

  • 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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