Accession Number : AD0685174

Title :   THE EXPENDABLE DEW POINT HYGROMETER.

Descriptive Note : Final rept. 15 Apr 65-31 Dec 68,

Corporate Author : CAMBRIDGE SYSTEMS INC NEWTON MASS

Personal Author(s) : Bisberg,Arthur

Report Date : DEC 1968

Pagination or Media Count : 53

Abstract : The report presents an engineering description of, and procedures, for utilizing a new expendable, balloon-borne point hygrometer. The hygrometer is of the Freon-cooled, optically detected, automatically controlled condensation type, with mirror temperature read out by a thermistor sensor. The device utilizes low cost solid-state electronics and is compatible with conventional radiosonde telemetry systems. The hygrometer is capable of measurement to -60C and has been successfully flight tested. This document is a combined final report and instruction manual. (Author)

Descriptors :   (*HYGROMETERS, ATMOSPHERIC SOUNDING), HIGH ALTITUDE, MEASUREMENT, DEW POINT, THERMAL STABILITY, RADIOSONDES, MINIATURE ELECTRONIC EQUIPMENT, LOW TEMPERATURE, FLIGHT TESTING, RELIABILITY(ELECTRONICS), METEOROLOGICAL BALLOONS, TELEMETERING TRANSMITTERS, THERMISTORS

Subject Categories : Meteorology

Distribution Statement : APPROVED FOR PUBLIC RELEASE