Concept
Kipp and Zonen CG4 pyrgeometer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL2083/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | K&Z CG4 pyrgeometer | ||
| Definition | An instrument designed to measure the upward and downward components of long wave atmospheric radiation depending on the instrument orientation. The CG4 provides a voltage that is proportional to the net radiation in the far infrared (FIR). The instrument features a type YSI 44031 thermistor (or optional Heraeus M-GX 1013 PT100) to measure body temperature and uses a 64-thermocouple thermopile for measuring atmospheric radiation. The CG4 is designed to conduct absorbed heat away from the sensor window, reducing temperature variations between the window and sensor to less than 0.3 degC. The spectral range is 4.5 to 42 um (50% points), with a sensitivity of 10 uV/W/m^2, impedance of 40 to 200 ohms. Temperature dependence of sensitivity (between -20 and 50 degC) is +/- 1%. It has a 180-degree field of view with good cosine response. Accuracy is 3% for daily totals. | ||
| Date | 2024-08-13T15:30:11 | ||
| Identifier | SDN:L22::TOOL2083 | ||
| Note | accepted | ||
| Has Current Version | 1 | ||
| version | 1 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | L05:308 |
atmospheric radiometers | Mapping: 1856645 |
| Related | B75:ORG00324 |
Kipp & Zonen Ltd (UK Office) | Mapping: 1856649 |
L35:MAN0041 |
Kipp and Zonen | Mapping: 1856653 | |
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