@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @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: . rdf:type skos:Concept ; dce:identifier "SDN:L22::TOOL1302" ; dc:date "2018-12-18 11:19:21.0" ; dc:identifier "SDN:L22::TOOL1302" ; dc:isVersionOf ; pav:authoredOn "2018-12-18 11:19:21.0" ; pav:version "1" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "1" ; skos:altLabel "AQUAlogger 210TY" ; skos:broader , , , ; skos:definition "A series of in-situ turbidity sensors. They are primarily used in dredging and water quality studies. The sensors output turbidity in FTU and are optionally, integrated with thermistor temperature and Piezo-resistive bridge pressure sensors. Based on optical backscatter, the sensors use a light source wavelength of 880 nm and scattering angles of 15-150 degrees. The sensors take their readings within 5cm of the optical window, reducing interference. An optional wiper can be attached to prevent biofouling of the optics. The standard version (acetal) has a depth rating of 1000 m. A deepwater version (stainless steel) is capable of reaching 4000 m. The turbidity measurement range is between 0-2000 FTU (linear/polynomial). Temperature and pressure accuracy is +/-0.5 deg C and 0.2% full scale, respectively."@en ; skos:notation "SDN:L22::TOOL1302" ; skos:note "accepted"@en ; skos:prefLabel "Aquatec AQUAlogger 210TY turbidity sensor series"@en ; skos:related .