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Build-a-Hydrophone

Category: Ocean Technology
Resource Type: PDF
Date Posted: 04/30/2012

During spring 2012, COSEE-TEK has taken the plunge into underwater acoustics with two educational institutes focusing on the engineering and application of low-cost hydrophones. This do-it-yourself (DIY) hydrophone kit is based on a highly modified version of the original design developed by Kevin Hardy at Scripps Institute for Oceanography at the University of California, San Diego.

Build a Hydrophone (Kevin Hardy, UCSD) (PDF, 19 KB)
Hydrophone Schematic (Kevin Hardy, UCSD) (PDF, 196 KB)

Instructions and a parts list for the new and improved COSEE-TEK DIY hydrophone can be found here.

COSEE-TEK Hydrophone Design - Material List and Fabrication Instructions (version 3.0) (PDF, 986 KB)
Appendix 1: Material & Price List for COSEE TEK Simple Hydrophone Design (PDF, 50 KB)

The goal of new design was to use only affordable, store-bought parts, eliminate the need for soldering in the classroom, and prevent leaks associated with oil-filled housings. COSEE-TEK technicians (Kevin Joy and John Hamilton) reviewed the Hardy design and made iterative modifications based upon the teachers’ feedback to simplify the construction of hydrophones in a classroom environment.

DOWNLOAD (986 KB) >>

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