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The Multi-Source is a breakthrough electrical resistivity/induced polarization imaging system. The system consists of 2 to 255 transceivers. Each transceiver can act as either a transmitter or receive and multi-units can transmit simultaneously (US Patents US9151861B2 plus patents pending). Each unit has its own GPS for position and timing information and a long-range ISM band radio link. The system works in rugged terrain and around obstacles such as such as buildings, roads, rivers, etc. Extensive testing of the units in geothermal, mining, carbon-dioxide sequestration has shown that the system can provide superior resolution with exploration depths up to kilometer.

2 Channels per Unit with 24 Bit Resolution

Each Multi-Source transceiver has two receiver channels. It is easily expandable to include additional units since each are able to auto-locate their position using an internal GPS.

Each transceiver has its own 350 Watt transmitter powered by an internal 240Wh replaceable battery.  It can also run on an external 12V battery. Each system has a GPS module for location and timing, and a wireless module for communication, as the individual systems are not physically connected by cables.

 

Each electrode is connected by a single one conductor wire - eliminating the need for multi-conductor cables and cable management constraints on your lay-out.

Extremely Portable

The distributed resistivity system consisting of multiple transceivers (weighing only 18.6 lbs (8.5 kg)  including the 240 Wh battery) that can communicate with each other through a low-power distributed wireless network.  The wireless feature allows each unit to be placed in the most desirable position by providing  module-to-module communication.

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Rugged Environment

The figure on the left illustrates what is possible with the Multi-source system.

 

It shows the survey layout across a harsh mountainous area with over 500m of elevation change. The electrode locations are shown as black dots. The colorful dots represent the IP data measured with 25m and 50m Multi-Source dipoles and simultaneously transmitting on up to 4 systems to increase the depth of penetration.

 

The Multi-Source data were complimented by acquiring equatorial dipoles across adjacent lines to add more 3D information.