U S Forest service technician using a sling psychrometer to measure relative humidity

A female forest service emplyee in the Florida everglades uses a sling psychrometer for humidity testing in the Big Cypress Swamp sling psychrometer female weather meteorologist fire crew instrument guage

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Photo credit: © David R. Frazier Photolibrary, Inc. / Alamy / Afripics
License: Licensed
Model Released: Yes

Keywords: fire, humidity, meteorologist, psychrometer, weather