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 ?
com)-- Turner Designs is very excited to introduce our newest major product, ICAM, an in situ Integrating Cavity Absorption Meter.
Pope, Integrating cavity absorption meter, Applied Optics 31, 2055-2065 (1992).