UEP and ELFE Measurement System

Underwater Electric Potentials (UEP) are produced by cathodic currents in the ship or submarine hull and also from propeller or other metallic materials in contact with salt water. A ships electric potential signature is therefore generated in a similar way as the magnetic signature. This can also be used as an input or trigger signal in an influence mine. The ships movement also produces a Extra Low Frequency Electric field (ELFE) that can be used for positioning, target evaluating or  for reconnaissance.

Polyamp have developed a range of sensors and platforms for the measurement of these electric signatures for use in:

• Upgrading conventional sea ranges
• Transportable sea ranges
• Reconnaissance, fixed or mobile equipments
• Influence sea mines

All the Polyamp sensors and platforms use a unique and patented Polyamp carbon fibre electrode sensor which is very sensitive. The mechanical robustness, handling and life expectancy of sensors using carbon fibre technology make it much more versatile for these applications compared to other electrode types.

Polyamp can supply a complete system package with electrodes, very low noise amplifiers, data acquisition, analysis, presentation and documentation with the SWECADE range software package.

Polyamp UEP and ELFE Systems - Key features

• Carbon Fibre Electrodes - Robust Technology
• Very Low Noise Amplifiers - High Sensitivity
• Salinity Independent - Useable for All Waters Instantaneously
• Inert Sensors - Maintenance Free Without Need for Salt Bridges
• Rapid Deployment - No Operational Delays
• High Reliability - Long Life Expectancy
• 3 Axis Platform Designs - Fixed and Transportable Ranges

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Polyamp AB
Box 925
SE-191 29 Sollentuna, Sweden
Tel: +46 8 594 693 00 Fax: +46 8 594 693 05