Ultraviolet absorption hygrometer
Patent
·
OSTI ID:866075
- Bedford, MA
- Concord, MA
An ultraviolet absorption hygrometer is provided including a source of pulsed ultraviolet radiation for providing radiation in a first wavelength region where water absorbs significantly and in a second proximate wavelength region where water absorbs weakly. Ultraviolet radiation in the first and second regions which has been transmitted through a sample path of atmosphere is detected. The intensity of the radiation transmitted in each of the first and second regions is compared and from this comparison the amount of water in the sample path is determined.
- Research Organization:
- Spectral Sciences Inc
- DOE Contract Number:
- AC02-84ER80142
- Assignee:
- Spectral Sciences, Inc. (Burlington, MA)
- Patent Number(s):
- US 4627284
- OSTI ID:
- 866075
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ultraviolet
absorption
hygrometer
provided
including
source
pulsed
radiation
providing
wavelength
region
water
absorbs
significantly
proximate
weakly
regions
transmitted
sample
path
atmosphere
detected
intensity
compared
comparison
amount
determined
wavelength region
radiation transmitted
ultraviolet radiation
provided including
ultraviolet absorption
providing radiation
pulsed ultraviolet
absorption hygrometer
/73/250/
absorption
hygrometer
provided
including
source
pulsed
radiation
providing
wavelength
region
water
absorbs
significantly
proximate
weakly
regions
transmitted
sample
path
atmosphere
detected
intensity
compared
comparison
amount
determined
wavelength region
radiation transmitted
ultraviolet radiation
provided including
ultraviolet absorption
providing radiation
pulsed ultraviolet
absorption hygrometer
/73/250/