Eppley Precision Infrared Radiometer Pyrgeometer
|Within Vocab||SeaVoX Device Catalogue|
|Preferred Label||Eppley Precision Infrared Radiometer Pyrgeometer|
|Definition||The Eppley Precision Infrared Radiometer (PIR) pyrgeometer measures longwave (infrared) radiation. It is housed in a weatherproof titanium canister that has been painted with a very flat black paint that absorbs radiation. A small glass dome at the top of the instrument is covered with an 'interference coating' which allows only infrared radiation to come through. Light levels are detected as temperature changes creating voltages in fine wire coil detectors.|
Eppley Laboratory Inc.
|Alternative Label||Eppley PIR Pyrgeometer|
|Has Current Version||http://vocab.nerc.ac.uk/collection/L22/current/TOOL0083/4/|
|Authored On||2019-06-07 16:02:2|
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