Instrument: Transmissometer

Instrument: 
Instrument Short Name: Transmissometer
(http://vocab.nerc.ac.uk/collection/L05/current/124/)
Instrument Description:

A transmissometer measures the beam attenuation coefficient of the lightsource over the instrument's path-length. This instrument designation is used when specific manufacturer, make and model are not known.

PI supplied instrument name: Transmissometer
Dataset-specific description