Draper Laboratory Profiling Current and CTD Meter (PCM),
Abstract
The design of the Draper Laboratory Profiling Current and CTD Meter (PCM) is described. This self-propelled instrument processes and records signals from its sensors in a programmed depth-time sequence. Its most noteworthy features are: an energy-efficient buoyancy control system for sustaining cyclic vertical motion throughout long-term immersion; accurate measurement of current, temperature, and conductivity in the surface wave field; and a microprocessor-centered programmable electronic system for sophisticated control of operational functions. The prototype system is configured to operate unattended on a mooring line while drawing its power solely from internal batteries. It is presently being evaluated in near-surface ocean pilot experiments.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 01, 1980
- Accession Number
- ADP000952
Entities
People
- John M. Dahlen
Organizations
- Charles Stark Draper Laboratory