Title :
A multi-level light integrator
Author :
Beale, M.J. ; Morman, A.R. ; Morris, R.A.
Author_Institution :
D.S.I.R., Physics and Engineering Laboratory, Lower Hutt, New Zealand
fDate :
9/1/1969 12:00:00 AM
Abstract :
An instrument which integrates the number of minutes during which average light intensity falls between or outside nine pre-set levels is described. The primary use of the equipment is in the study of the response of plants to light. The technique may have other applications.
Journal_Title :
Radio and Electronic Engineer
DOI :
10.1049/ree.1969.0090
