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AN18-3: SBE 18 pH Sensor Hookup Instructions

Document Number: 
Publication Date: 
Thursday, July 12, 2001
PDF icon appnote18-3.pdf126.45 KB


To minimize chances of corrosion, avoid metal-to-metal contact of the aluminum instrument case with the mounting device — e.g., use insulating tape or heat-shrink tubing over stainless steel hose clamps if they are used to mount the instrument.

The SBE 18 case is filled with dry nitrogen. If it is necessary to open the case at any time, refill the case with nitrogen to prevent possible condensation at low temperatures.

The pin configuration on the instrument case is:


Application Note Revision History

Date Description
  Initial release.
July 2001 Remove statement that SBE 18 is shipped with pigtail connector.


Applies To