ID:
20

Name:
Lightflux_twobulbs

Instrument ID:
LICOR Spectroradiometer (#354)

Chamber:
Seinfeld chambers

Date of characterization experiment:
2013-12-16

Months since calibration:

Measurement technique:
The instrument measures the irradiance, which is then converted to flux

Photolysis frequency of NO₂ with max lighting [Hz]:

Photolysis frequency of H₂O₂ with max lighting [Hz]:

Photolysis frequency of O₃ with max lighting [Hz]:

Total number of lights:
320

Light percentage on:
0.6

Light intensity:

Light source type:
UV black lamps (350 nm centered)

Position and pattern of lights:
Lights are positioned on the long side of the chambers. There are UV-reflective aluminum all around the chamber, such that the flux in one corner is similar to the middle.

Data collection description:
Data were collected as an average of several locations in the chamber.

Data analysis description:
Averaged data in W/m2 were converted to photon flux and scaled by the H2O2 photolysis in a modeling program that uses the most up-to-date H2O2 absorption cross section.

Link to supplemental information:

Additional notes:

Characterization data file:
JHSflux_twobulb_Dec2013.csv