A NEW WATER LEVEL GAUGE FOR COLD REGION APPLICATION

This paper describes a new design of water level gauge that records and telemeters digital data and allows computation of water density directly from the pressure measurements. Major measurement error sources are also identified and quantified. Deriving density from pressure measurements obviates the need for use of a separate conductivity/temperature/depth instrument, which can be prone to fouling. The uncertainty in density determination is less than 0.0005 g/cc in laboratory tests; in the field, it varies from 0.0015 g/cc under low wave conditions to 0.003 g/cc under low wave conditions to 0.003 g/cc for high wave conditions. The instrument has been successfully deployed at several cold region sites including the Arctic and Antarctic regions.

• Supplemental Notes:
  • OMAE 1995, 14th Intl Conf on Offshore Mechanics & Arctic Engng; 18-22 June 1995; Copenhagen, Denmark. Sponsored by ASME et al. Procs. Publ by ASME, ISBN 0-7918-1306-1. Vol I, Pt A, p 65 [12 p, 11 ref, 13 fig]
• Authors:
  • Shih, H H
  • Moss, M K
  • Dixon, J C
• Publication Date: 1995

Language

• English

Subject/Index Terms

• TRT Terms: Measuring instruments; Water table
• Subject Areas: Marine Transportation;

Filing Info

• Accession Number: 00717686
• Record Type: Publication
• Source Agency: British Maritime Technology
• Files: TRIS
• Created Date: Mar 4 1996 12:00AM