Concept
Brewtek Mini Secchi disk
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL2221/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Brewtek Mini | ||
| Definition | A 3D-printed device for measuring Secchi depth (water transparency) and water clarity (based on the Forel-Ule (FU) colour scale) in turbid lacustrine, estuarine and nearshore regions to a depth of 10 m. The device consists of a 10 m tape measure held within a case, attached to a small Secchi disk (10 cm diameter) and a weight. The disk can be wound in and out using a bobbin and handle. The body of the device features an FU colour scale sticker, a finger strap and lanyard. The FU colour sticker is based on an FU to RGB (red, green, blue) conversion (Wernand et al., 2013). These RGBs were converted to a CMYK (cyan, magenta, yellow, black) scale, required for colour printing. Designed for use with a mobile phone application for citizen science data entry. | ||
| Date | 2025-10-02T17:34:03 | ||
| Identifier | SDN:L22::TOOL2221 | ||
| Note | accepted | ||
| Has Current Version | 1 | ||
| version | 1 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | L05:124 |
transmissometers | Mapping: 2103113 |
| Related | L35:MAN0361 |
Brewtek | Mapping: 2103117 |
B75:ORG02132 |
Brewtek Ltd | Mapping: 2103115 | |
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