absorption meter

absorption meter

[əb′sȯrp·shən ′mēd·ər]
(engineering)
An instrument designed to measure the amount of light transmitted through a transparent substance, using a photocell or other light detector.
References in periodicals archive ?
Sunnyvale, CA, February 21, 2014 --(PR.com)-- Turner Designs is very excited to introduce our newest major product, ICAM, an in situ Integrating Cavity Absorption Meter. Factory configured with nine (9) wavelengths from UV (365nm) to Red (676nm), ICAM enables absorption measurements over a wide spectrum.
Pope, Integrating cavity absorption meter, Applied Optics 31, 2055-2065 (1992).