Concept

RBR XR-420 CTD Marine

	L05 SeaDataNet device categories - (2) [+]
URI	http://vocab.nerc.ac.uk/collection/L22/current/TOOL0053/
Within Vocab	SeaVoX Device Catalogue
Alternative Labels	RBR XR-420 CTD
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.
Date	2010-11-18T12:39:41
Identifier	SDN:L22::TOOL0053
Note	accepted
Has Current Version	2
Version	1
version	2
inScheme	http://vocab.nerc.ac.uk/scheme/SDNDEV/current/
Broader	`L19:SDNKG17`	sensor_model	Mapping: 1696136
	`L05:350`	salinity sensor	Mapping: 180493
	`L05:134`	water temperature sensor	Mapping: 180533
Related	`B75:ORG00299`	RBR Ltd	Mapping: 1448453
	P01 BODC Parameter Usage Vocabulary - (4) [+]
	`P01:CNDCPR01`	Electrical conductivity of the water body by in-situ conductivity cell	Mapping: 801088
	`P01:PREXISPS`	Pressure (measured variable) exerted by the water body by semi-fixed in-situ pressure sensor	Mapping: 801089
	`P01:PSALTC01`	Practical salinity of the water body by in-situ conductivity cell and computation using UNESCO 1983 algorithm	Mapping: 801090
	`P01:TEMPPR01`	Temperature of the water body	Mapping: 801091

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