Opacimeter

Description

A device used to measure opacity. An opacimeter is used to measure the optical density of paper. The device gives the light reflectance ratio for two readings collected when a piece of paper placed over a black background and then a white background.

Synonyms and Related Terms

Bausch and Lomb Opacimeter

Sources Checked for Data in Record

• Boise Cascade Paper Group, The Paper Handbook, Boise Cascade, Portland OR, 1989

• Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982

• E.J.LaBarre, Dictionary and Encyclopedia of Paper and Paper-making, Swets & Zeitlinger, Amsterdam, 1969