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AGI Active Electrode Cables
Product Documents

AGI’s Active Dual-Mode Electrode Cables (U.S. Patent 6,404,203) are used for ultra-sensitive automatic induced polarization (IP) measurements using nonpolarizable electrodes. The dual-mode electrodes have a receiver channel that is isolated from the transmitting stainless steel electrode.
Use Cases:
There are two main applications for dual-mode electrode cables:
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Mapping of dense nonaqueous phase liquid (DNAPL) spills in the ground. Such as:
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Methylene chloride, used in processing chemicals and pharmaceuticals.
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Perchloroethylene, used in dry cleaning and metal surface cleaning.
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Trichlorethylene, used in refrigeration and HVAC systems.
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Mineral exploration
Product Features:
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Thick transmitter wires.
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Receiver wires are electrically shielded from the transmitter for a noise-free measurement.
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Internal kevlar-strength member.
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Distributed switching instead of a centralized switching box allows for thicker wires which will output more current.
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Transmits through the stainless steel stakes and receives through the non-polarizable electrodes for more sensitive measurements, especially during induced polarization (IP) surveys.
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Dual-mode electrodes with a patented separate receiving channel.
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Water-resistant.
Benefits Of Distributed Electrode Switching:
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Connect the instrument anywhere along the electrode cable
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No Switch Box needed
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Easier to perform roll-along survey without a switch box
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More depth penetration due to much less saw-tooth overlap pattern
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Thick transmitter conductors
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Shielded receiver conductors
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Two modes of operation:
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Normal mode: collect data using only stainless steel electrodes
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Dual mode: transmit on stainless steel electrodes and measure on separate non-polarizable electrodes
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Product Specifications:
Smart Electrode Dimensions | ∅34x145 mm (∅1.3”x5.7”) |
Weight | 0.25 kg (9 oz) |
Cable Diameter | 12 mm (0.5”) |
Number of Electrodes | Virtually unlimited amount (theoretically over 65000 electrodes can be addressed) |
Electrode Control |
Each smart electrode is individually addressable and can be A, B, P1, P2, P3, P4, P5, P6, P7, P8, or P9 at any time |
Electrode Addresses |
The electrode addresses can easily be re-programmed by software |
Electrode Response Time |
33 ms/switch |
Array Type |
Any array type can be programmed by the user |
Operating Temperature | Operates to -5C, but ground temperatures very greatly so AGI does not recommend dual mode cables being used below freezing |
Case | Stainless steel |
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