@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix dcterms: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . sssom:subject_id . skos:related . sssom:subject_id . skos:narrower . skos:narrower . sssom:object_id . sssom:subject_id . skos:related . skos:member . sssom:object_id . skos:narrower . dc:isVersionOf . sssom:object_id . skos:narrower . sssom:object_id . skos:narrower . skos:narrower . skos:related . sssom:subject_id . rdf:type skos:Concept ; dce:identifier "SDN:L22::TOOL1409" ; dc:date "2020-03-19 13:01:10.0" ; dc:identifier "SDN:L22::TOOL1409" ; pav:authoredOn "2020-03-19 13:01:10.0" ; pav:hasCurrentVersion ; pav:version "1" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "1" ; skos:altLabel "HydroScat-6P" , "HydroScat-6P"@en ; skos:broader , , ; skos:definition "A self-contained spectral instrument designed for making optical backscattering and fluorescence measurements in natural waters. The HydroScat-6P has six independent channels with separate sets of source and receiver optics; a light-emitting diode (LED) set to the desired measurement wavelength acts as source beam for each channel, and its matching receiver detects the scattered light. The standard measurement wavelengths are 420 nm, 442 nm, 470 nm, 510 nm, 590 nm and 700 nm, though they can be customised. The same optics allow for fluorescence measurements at two wavelengths: 700 nm excited by the 442 nm source LED, which is typically used for chlorophyll determination, and 510 nm excited by the 420 nm source LED. The maximum depth rating for the instrument is 500 m."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL1409" ; skos:note "accepted"@en ; skos:prefLabel "HOBI HydroScat-6P optical backscattering sensor and fluorometer"@en ; skos:related , . sssom:object_id . skos:related . sssom:subject_id .