CE318-T Photometer
User Operation Manual
Revision V4.10 October 2021
4
1 Product overview
1.1. Presentation
This high-precision photometer for observing networks measures the optical properties
of the atmosphere especially by measuring on one hand, the sun and moon irradiance
and on the other hand the sea, soil and sky radiance. It provides the quantification and
physical-optical characterizations of the aerosols.
Due to its very low power consumption thanks to the MicroAmps
®
technology, to its
self-powered system and to its rugged design, the CE318-T fully meets the operational
requirements of continuous monitoring in terms of reliability, long lifetime and very low
maintenance cost.
The CE318-T photometer technology is constantly enhanced to match the new
technological challenges for climate observation and monitoring. Cimel’s photometers
are the benchmark devices for most aerosol observing networks and more specifically
for the international federation of AERONET.
The large range of parameters that are derived and calculated from the measurements
and from the atmospheric physics equations make the CE318-T photometer a
worldwide benchmark device for the following applications:
• Characterization and quantification of aerosols
• Satellite calibration of aerosol measurements
• Detection of volcanic ashes plumes in real time
• Determination of Aerosol Optical Depth
• Determination of fine mode and coarse mode AODs
• Determination of the optical properties of the atmosphere for satellite imaging
• Determination of the ocean's color
• Determination of the amount of precipitable water vapor
• Air quality monitoring
• Volume size distribution
• Nature of aerosols
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