Subject: | MAO/SASHE/M1 - Instrument problem |
DataStreams: | maosashevishisunM1.a0, maosashevisM1.b1, maosashevislowsunM1.a0, maosashenirlowsunM1.a0, maosashenirhisunM1.a0, maosashenirM1.b1
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Description: | A banding alignment issue severely impacted the shading of the diffuser. This prevents
accurate identification of direct solar irradiance and hemispheric diffuse irradiance. |
Suggestions: | Use MFRSR data if available for this time period. |
Measurements: | maosashevisM1.b1: - Number of spectrometer scans averaged for Si CCD spectra(number_of_scans_spectrometer_vis)
- Temperature of Si CCD AD board(ad_temperature_spectrometer_vis)
- Direct horizontal solar irradiance from Si CCD spectrometer(direct_horizontal_spectrometer_vis)
- Cosine solar zenith angle(cosine_solar_zenith_angle)
- Temperature of multi-IO box from MEMS sensor(mio_temperature_mems)
- Diffuse hemispheric irradiance component, Si CCD spectrometer(diffuse_hemisp_spectrometer_vis)
- Collector tilt along band axis(collector_x_tilt)
- Diffuse correction(diffuse_correction)
- Collector internal dew point(collector_dewpoint)
- Chiller temperature during 1 minute interval.(chiller_temperature)
- Temperature of MIO box from TRH sensor(mio_temperature_trh)
- Cosine correction for high sun angles(cosine_correction_hisun)
- Total hemispheric irradiance component, Si CCD spectrometer(total_hemisp_spectrometer_vis)
- Cosine of angle of incidence during cosine bench test(cosine_test_incident_angle)
- Direct normal solar irradiance, Si CCD spectrometer(direct_normal_spectrometer_vis)
- Standard deviation of collector tilt measured perpendicular to band axis.(collector_y_tilt_std)
- Integration time of individual scans from Si CCD spectrometer(integration_time_spectrometer_vis)
- Spectrometer chiller internal dew point(chiller_dewpoint)
- Spectrometer chiller internal RH(chiller_rh)
- Collector internal relative humidity from TRH sensor(collector_rh)
- Air mass(airmass)
- Cosine correction applied to direct_horizontal component(cosine_correction_computed)
- Collector tilt perpendicular to band axis(collector_y_tilt)
- Wavelength of VIS spectrometer pixels(wavelength_vis)
- Band axis orientation with respect to north(band_azimuth)
- Temperature of Si CCD optical bench(bench_temperature_spectrometer_vis)
- Collector internal temperature from TRH sensor(collector_temperature)
- Angle of incidence during cosine bench test(test_incident_angle)
- Cosine correction for low sun angles(cosine_correction_lowsun)
- responsivity of Si CCD spectrometer(responsivity_spectrometer_vis)
- Solar azimuth angle relative to north(solar_azimuth)
- Atmospheric pressure(atmos_pressure)
- Solar zenith angle relative to vertical zenith.(solar_zenith)
- Standard deviation of collector tilt measured along band axis.(collector_x_tilt_std)
- MIO relative humidity from TRH sensor(mio_rh)
more
maosashevishisunM1.a0: more
maosashenirlowsunM1.a0: more
maosashenirM1.b1: - Direct horizontal solar irradiance from InGaAs linear array spectrometer(direct_horizontal_nir)
- Air mass(airmass)
- Diffuse correction(diffuse_correction)
- Temperature of MIO box from TRH sensor(mio_temperature_trh)
- Integration time per scan for InGaAs NIR spectrometer(integration_time_nir)
- Standard deviation of collector tilt measured along band axis.(collector_x_tilt_std)
- Wavelength of NIR spectrometer pixels(wavelength_nir)
- MIO relative humidity from TRH sensor(mio_rh)
- Spectrometer chiller internal dew point(chiller_dewpoint)
- Collector internal temperature from TRH sensor(collector_temperature)
- Band axis orientation with respect to north(band_azimuth)
- Chiller temperature during 1 minute interval.(chiller_temperature)
- Diffuse hemispheric irradiance component, InGaAs linear array spectrometer(diffuse_hemisp_nir)
- Collector internal relative humidity from TRH sensor(collector_rh)
- Solar zenith angle relative to vertical zenith.(solar_zenith)
- Atmospheric pressure(atmos_pressure)
- Solar azimuth angle relative to north(solar_azimuth)
- Cosine solar zenith angle(cosine_solar_zenith_angle)
- Temperature of InGaAs linear array AD board(ad_temperature_spectrometer_nir)
- Number of spectrometer scans averaged for InGaAs linear array spectra(number_of_scans_nir)
- Temperature of avantes AD board for InGaAs NIR spectrometer(ad_temperature_nir)
- Cosine correction applied to direct_horizontal component(cosine_correction_computed)
- Standard deviation of collector tilt measured perpendicular to band axis.(collector_y_tilt_std)
- responsivity of InGaAs linear array spectrometer(responsivity_nir)
- Collector internal dew point(collector_dewpoint)
- Collector tilt along band axis(collector_x_tilt)
- Collector tilt perpendicular to band axis(collector_y_tilt)
- Temperature of avantes optical bench for InGaAs NIR spectrometer(bench_temperature_nir)
- Angle of incidence during cosine bench test(test_incident_angle)
- Cosine correction for low sun angles(cosine_correction_lowsun)
- Spectrometer chiller internal RH(chiller_rh)
- Cosine of angle of incidence during cosine bench test(cosine_test_incident_angle)
- Direct normal solar irradiance, InGaAs linear array spectrometer(direct_normal_nir)
- Temperature of multi-IO box from MEMS sensor(mio_temperature_mems)
- Total hemispheric irradiance component, InGaAs linear array spectrometer(total_hemisp_nir)
- Cosine correction for high sun angles(cosine_correction_hisun)
more
maosashenirhisunM1.a0: more
maosashevislowsunM1.a0: more
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