Conductivity Sensor 3919

Observatory reference: DELOS A [2009-****], DELOS B [2009-****], PYLOS

Conductivity sensors from Aanderaa are compact, fully integrated sensors for measuring the electrical conductivity of seawater. Conductivity is a key parameter for in-situ measurements of several fundamental physical properties of seawater.

For seawater, the ability to conduct electrical current is mostly dependent on temperature and the amount of inorganic dissolved solids. Salinity is defined as the concentration of dissolved solids. This means that, together with temperature and depth information, a good estimate of the salinity may be determined. By using the inductive principle, stable measurement can be obtained without utilizing electrodes that are easily fouled and may wear out in the field.

Manufacturer

Aanderaa Data Instruments Inc.

P.O.Box 34 Slåtthaug
N-5851 Bergen
Norway

+47 55 60 48 00

+47 55 60 48 01

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http://www.aadi.no

Technical specifications

Operating depth	0-300 m SW, 0-2000 m IW, 0-6000 m DW
Conductivity range	0-75 S/m
Conductivity resolution	0.0002 S/m
Conductivity accuracy	± 0.005 S/m model A, ± 0.0018 S/m model B
Temperature range	-5 to 40°C
Temperature resolution	0.01°C
Temperature accuracy	± 0.1°C
Sampling interval	SR10: controlled by AADI data logger RS-232: From 1s to 255 min
Supply voltage	SR10: -6 to -14Vdc RS-232: 5 to 14Vdc
Operating temperature	-5 to 40°C
Dimensions (wxdxh)	39.5x36x86 mm
Weight	240 g
Materials	Titanium

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