Electromagnetic Geonics EM-61 MK2 Submersible Metal Detector
For operation in marine environments, the EM61S is a completely submersible coil and cable system capable of submersion to depths of more than 60 metres.
Available as an attachment to the standard EM61-MK2 (or EM61), the EM61S includes a single coincident transmitter/receiver coil, with cable, only; without a second receiver coil, as is included with the standard EM61-MK2 (or EM61), the calculation of differential data is not available.
Most commonly, the EM61S is secured to a submersible platform that is positioned and operated at the bed plane. On occasion, environmental or other restrictions will require that the platform is removed some distance from the bed plane. In relatively shallow water environments, an alternate configuration of the EM61S combines a large (10 x 10 m) transmitter loop on the surface of the water, with a submersible receiver coil suspended at the required offset distance.
Importantly, the EM61S, in all configurations, has shown to be equally applicable in both freshwater and saltwater environments.
The EM-61 MK2 Submersible package from Exploration Instruments includes the submersible coil, 11 meter connecting cable, console and logger. Multiple units are available for configuration as an array.
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