aspiration meteorograph

aspiration meteorograph

[‚as·pə′rā·shən ‚mēd·ē′ȯr·ə‚graf]
(engineering)
An instrument for the continuous recording of two or more meteorological parameters, with the ventilation being provided by a suction fan.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.