Record Display for the EPA National Library Catalog


Main Title Model YMT-6 UV-B modulation system. : Manual of operation /
Author Sullivan, J. H. ; Yu, Z. ; Teramura, A. H.
Other Authors
Author Title of a Work
Yu, Z.
Taramura, A. H.
CORP Author Maryland Univ., College Park.;Corvallis Environmental Research Lab., OR.
Publisher U.S. Environmental Protection Agency, Environmental Research Laboratory,
Year Published 1991
Report Number EPA/600/8-91/048
Stock Number PB91-216432
Additional Subjects Solar ultraviolet radiation ; Radiation monitors ; Near ultraviolet radiation ; Ultraviolet detectors ; Modulation ; Maintenance ; Operation ; Irradiation ; Instruction manuals ; Design ; Graphs(Charts) ; YMT-6 system ; Ozone depletion
Library Call Number Additional Info Location Last
NTIS  PB91-216432 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 119 pages ; 28 cm
The YMT-6 Ultraviolet Irradiation Modulation System (YMT-6 UIMS) is designed to monitor solar UV-B radiation and deliver output of a bank of fluorescent sunlamps. The system uses a significant advance in technical approach which has not been previously used. The system employs a new detection/feedback system, using a true condition closed-loop feedback control system, which employs two detectors. The true-condition feedback system continuously monitors natural solar UV-B fluences and those fluences present at some point beneath a lamp bank (solar plus supplemental UV-B). The system then maintains a constant proportional supplement of UV-B beneath the lamp racks. Therefore, the YMT-UIMS will provide a realistic UV-B supplementation, which would be anticipated with a given ozone depletion, over a wide range of environmental conditions.
"September 1989." Microfiche.
Contents Notes