Concept
Kipp and Zonen CM14 albedometer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0922/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | K&Z CM14 albedometer | ||
| Definition | An albedometer that measures net global radiation and/or albedo over surfaces of different nature. It consists of 2 opposing Kipp & Zonen CM 11 pyranometers (secondary standard). The upper pyranometer measure solar radiation while the lower pyranometer measure reflected solar radiation. The pyranometers use a constantan-Manganin thermophile consisting of 100 junctions imprinted on an alumina ceramic substrate in a circular pattern to minimise azimuthal sensitivity. 3M Velvet Black is used on the receiver surfaces. They have two concentric hemispherical domes ground from Schott K5 glass. The transmittance spectra of the K5 exhibits a cut-on limit at 310 nm in the ultraviolet and a cut-off limit at the 2800 nm. The compensation element is a second alumina substrate that along with the compensation circuit prevents temperature-induced instrument zeros. They each possess a white shield to shade the body of the instrument from the differential illumination and a mounting base containing a spirit level. | ||
| Date | 2015-07-30T14:44:53 | ||
| Identifier | SDN:L22::TOOL0922 | ||
| Note | accepted | ||
| Is Version Of | TOOL0922 | ||
| version | 1 | ||
| Broader | L05:122 |
radiometers | |
L19:SDNKG17 |
sensor_model | ||
| Related | B75:ORG00324 |
Kipp & Zonen Ltd (UK Office) | |
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