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Statistical Evaluation of Water Activity Measurements Obtained with the Vaisala Humicap Humidity Meter
Author(s) -
FAVETTO GUILLERMO,
RESNIK SILVIA,
CHIRIFE JORGE,
FONTAN CONSTANTINO FERRO
Publication year - 1983
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/j.1365-2621.1983.tb10783.x
Subject(s) - hygrometer , metre , humidity , range (aeronautics) , environmental science , accuracy and precision , electricity meter , calibration , remote sensing , meteorology , statistics , mathematics , materials science , thermodynamics , physics , geography , power (physics) , astronomy , composite material
The objective of this study was to determine the suitability, precision and accuracy of the Vaisala Humicap electric hygrometer for a w measurements in the range 0.752‐0.974 (at 25°C). Results of the statistical evaluation indicated that this hygrometer, when calibrated and operated as described here, provides a convenient and fast means of a w measurement having adequate accuracy and precision for most food applications.