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Observatory reference: ESTOC[2014-****]

Standard: ESTOC

The SBE 3S is an enhanced version of Sea-Bird's proven SBE 3 (slow response) temperature sensor. The superior performance of the SBE 3S results from its optimized electronic design combined with an extraordinarily precise calibration procedure and quality testing program. The SBE 3S has a time response of approximately 0.6 second, an initial accuracy of 0.001 °C, and is typically stable to 0.002 °C per year. Every SBE 3S is calibrated in Sea-Bird's computer-controlled calibration baths. These superlow-gradient baths produce temperature calibrations with resolution and accuracy previously unavailable commercially. These sensors can be successfully calibrated as separate modules because they have built in acquisition circuits and frequency outputs. When used with a data logging system, overall system accuracy is equal to the sensor accuracy degraded only by the uncertainty in the logger's master clock. A typically small clock error of 1 ppm affords a temperature error of less than 50 μ°C.


Sea-Bird Electronics, Inc.
Sea-Bird Electronics, Inc.

1808 136th Place NE
98005 Washington Bellevue

(+1) 425-643-9866

(+1) 425-643-9954

Technical specifications

Range-5 to 35 ºC
Accuracy± 0.001 ºC
Resolution0.00004 ºC
Response time0.06 s
Depth rating3400, 6800 or 10500 m
Supply voltage11 - 16 VDC
Communications± 0.5V square wave
DimensionsØ48 mm x 299 mm
Weight in air0.63 or 0.9 kg
Weight in water0.28 or 0.55 kg
Materials6061 Aluminium or 7075 Aluminium or 6AI-4V Titanium

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