@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: . skos:related . skos:related . skos:narrower . skos:related . skos:narrower . skos:altLabel "RBR XR-420 CTD"@en , "RBR XR-420 CTD" ; skos:broader , , ; skos:definition "A small autonomous data logger designed to monitor conductivity, temperature and depth. Conductivity (accuracy ± 0.003 mS/cm) is measured using a 3-coil closed loop feedback inductive cell for superior temperature compensation. The thermistor (Themometrics) used to record temperature (accuracy ± 0.002°C) is aged and hermetically sealed in the tip of a shock resistant solid glass rod. Pressure (accuracy 0.05% full scale) sensors use reliable semiconductor technology and 316 stainless steel housing developed for long-term stability in harsh environments."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL0053" ; skos:note "accepted"@en ; skos:prefLabel "RBR XR-420 CTD Marine"@en ; skos:related , , , , . skos:member . skos:related . skos:related . skos:narrower . skos:narrower . skos:related . skos:narrower . skos:related . skos:narrower . skos:related . skos:related . skos:related .