UV-A and Illuminance meter Calibration Setup

blueicecube2

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#1
Hi everyone - i hope you are well, vaccinated & safe at home :)

I received a rather interesting request to enable a lab to get accreditation for UV-A and Illuminance meter calibration - the entire country yet to have one.
Example of DUTs are Photostability UVA & Illuminance Detector - Precisely Calibrated For Radiometric, Photometric And Colorimetric Measurement Systems, Blacklights / UV Lamps / Meters - UV & White Light Meters - Spectro-UV AccuPro Series XP-2000 / XP-4000 - NDT Supply.com

However, I am not so in depth with optical calibration & here's what i found so far and I would appreciate a sounding board to help me affirm my findings

a. for UV measurement, the best reference standard to be used is spectroradiometer, second best is a working Digital UV Light Intensity Tester (True/False?)
b. calibration of these types of equipment required it to be done in some dark room to reduce interference (True/False?)
c. methods found so far for UV
i. https://nvlpubs.nist.gov/nistpubs/jres/16/jresv16n2p83_A1b.pdf (is there a new one?)
ii. https://www.metrology-journal.org/articles/ijmqe/pdf/2016/01/ijmqe151037.pdf (for indoor meters tho i think valid for in lab measurement)
d. methods found so far for Illuminance meter
i. https://www.nist.gov/system/files/documents/calibrations/102-3-97.pdf (valid?)
ii. https://www.ijser.org/researchpaper...alibration-System-using-Comparison-Method.pdf
iii. https://www.govinfo.gov/content/pkg...VPUB-C13-b67085e62462aa074bfdbef18397a322.pdf

did i get that right? any optical expert around? i would really appreciate your help - for the nation (okay, i am being dramatic).
(i'd mail you something? haha. thanks)
 
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