Accession Number:

ADA555054

Title:

Development of an Integrated ISFET pH Sensor for High Pressure Applications in the Deep-Sea

Descriptive Note:

Corporate Author:

MONTEREY BAY AQUARIUM RESEARCH INST MOSS LANDING CA

Report Date:

2011-09-01

Pagination or Media Count:

5.0

Abstract:

The long-term goals of this project are to enable observations of pH in the ocean using sensors deployed on autonomous platforms. These systems will enable robust, basin-scale observations of changing pH driven by natural and anthropogenic processes. Develop a robust and stable pH sensor for deep-sea applications that is based on the Honeywell Durafet Ion Sensitive Field Effect Transistor ISFET. The sensor should operate to depths of at least 2000 m. It should have a precision of 0.001 pH and a stability of 0.005 pH over periods up to 5 years throughout the oceanic temperature and salinity range.

Subject Categories:

  • Physical and Dynamic Oceanography
  • Electrical and Electronic Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE