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16-10-200716-10-2007
UV DATA ANALYSIS PROGRAMS
AB_UVDAT.EXE processes multiple UVJJJYY.nnn files in a similar fashion to the UV.RTN and the
UVSUM.RTN except that integrated results are tabulated along with data from the individual
wavelengths.
AB_UVDAT, UVSUM.RTN and UV.RTN have a UVA correction built into the weighting curves.
Calculated results represent both the UVB and UVA regions (290-400nm).
AB_UVDAT creates two data files, UVBJJJYY, and DUVJJJYY, for each UV file processed, and
appends to a third file, UVOAVG.
Two action spectra, Erythema and Diffey, are used separately to weight the UV scans.
AB_UVDAT requires access to the appropriate instrument response file.
Using AB_UVDAT.EXE
Input:
1.
A range of consecutive UVJJJYY.nnn files
2.
the appropriate UV response file.
Output:
1.
One UVOAVG.nnn file which tabulates the average values from the other output files.
2.
One UVBJJJYY.nnn file for each input file.
3.
One DUVJJJYY.nnn file for each input file.
1.
Create a test directory.
2.
Copy AB_UVDAT.EXE to the test directory.
3.
Copy the UV response file into the test directory.
4.
Copy the UV files to be processed into the test directory
5.
Run AB_UVDAT and follow the directions given.
Using RD_UX.EXE
RD_UX.EXE is used to reduce the UV data produced by the UA, UC, UF, UV, and UX routines.
The input file is in units of raw counts per second and outputs may be chosen units of in W/m
2
or in mW/m
/nm.
Instructions:
1.
Create a test directory and copy RD_UX from the uv_lamps directory to the test directory.
2.
Copy the UL or XL file(s) that you wish to process to the test directory.
3.
Create a /nnn directory in your test directory (nnn is your Brewer number).
4.
Copy the appropriate UV response file into the /nnn directory.
5.
Run the RD_UX program and follow the directions given.
6.
A list of all files is displayed and the user is asked to select the files to be used.
7.
The user will then be asked whether or not to correct for stray light – the stray light correction
subtracts the average of the counts below 292.2 nm from each measurement.
8.
A single processed file will be prefixed by the letter "P" such as, PUVJJJYY.nnn. If individual
files for each scan were requested, then individual files of the form PUVJJJSS.nnn will be
produced - where SS is the sequence of the scan.
9.
The PUV file (or files) represent the irradiance of the UV scans.
MKIV OPERATOR'S MANUAL
APPENDIX C UV PROCESSING
2
/nm
87
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