ct25k
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| ct25k [2020/08/31 14:55] – [Specifications] bpospich | ct25k [2021/03/01 10:02] (current) – bpospich | ||
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| ====== Vaisala CT25K Ceilometer ====== | ====== Vaisala CT25K Ceilometer ====== | ||
| - | [[http://gop.meteo.uni-koeln.de/ | + | {{: |
| + | //Vaisala CT25K ceilometer installed at Jülich// | ||
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| + | [[http://atmos.meteo.uni-koeln.de/ | ||
| < | < | ||
| - | <a href=" | + | <a href=" |
| - | <img src=" | + | <img src=" |
| </a> click to enlarge | </a> click to enlarge | ||
| </ | </ | ||
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| | Averaging time: | 11.7sec (=PQTY/PRR) | | | Averaging time: | 11.7sec (=PQTY/PRR) | | ||
| | Time resolution | 15sec ((=> 3.3sec for processing and data transmission)) | | | Time resolution | 15sec ((=> 3.3sec for processing and data transmission)) | | ||
| - | | Range resolution | 50ft = 30m (see [[internal: | + | | Range resolution | 50ft = 30m | |
| | Range | 200...25, | | Range | 200...25, | ||
| | Laser Divergence | ± 0.53×0.75 mrad (edge×diagonal((the laser is a diode with square shape. The beam thus a pyramid with different opening angles for neighbouring and opposite edges))) | | | Laser Divergence | ± 0.53×0.75 mrad (edge×diagonal((the laser is a diode with square shape. The beam thus a pyramid with different opening angles for neighbouring and opposite edges))) | | ||
ct25k.1598885758.txt.gz · Last modified: 2020/08/31 14:55 by bpospich