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Portable Field/Lab Spectral Induced Polarization (PSIP)

Shipping

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Portable SIP Full Switch Unit

Shipping

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PSIP Stimulus Switch

Shipping

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PSIP Stimulus Amplifier

Shipping

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OEM SIP Sonde Electronics

Shipping

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SIP Sonde

Now available

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Portable Field/Lab Spectral Induced Polarization (SIP) Unit (PSIP)

The PSIP is a low-cost high-performance multi-channel geophysical instrument optimized for laboratory and in situ near surface SIP, conventional resistivity, time-domain induced polarization and self-potential measurements.

Functional Block Diagram

Theory of Operation

Measurement types:
o Spectral Induced Polarization (SIP)
o Conventional Resistivity
o Self-potential
o Time-domain Induced Polarization

Applications:
o Laboratory experimental setups including
o columns, 2-D and 3-D tanks
o Laboratory physically simulated surface and borehole environments
o Small scale surface and shallow borehole field environments

Features:
o 1mHz - 50kHz frequency range (Base Configuration - 1mHz - 20kHz)
o Up to 4 simultaneous test setups
o Simultaneous sampling of up to 24 voltage sense pairs
o Actively driven electrode guards/shields for overcoming capacitive coupling and noise
o Multiple units can be connected together for increased channel capacity
o User selectable (4) reference internal resistor values
o External reference resistor
o Web browser user interface
o Water-resistant field/travel case

Stimulus Outputs [1..4]: (Base Configuration - 2 Outputs)
o Type: Differential
o Voltage: ±10V (20V p-p)
o Current: 10mA (per channel)
o 20mA (all channels)
o Impedance: 100m

Sense Inputs [1..24]: (Base Configuration - 4 Inputs)
o Type: Differential
o Voltage: ±10V (20V p-p)
o Differential Impedance: 4G/1.25pF
o Common Mode Impedance: 1G/4pF

Interfaces:
o Ethernet
o USB Type A
o VGA
o I2C
o Analog Ground
o Chassis Ground
o External Trigger In
o External Trigger Out
o External Reference Resistor x 4

Power Input:
o 12V DC Nominal

Dimensions:
o Unit: 17.16'' x 10.53'' x 7.69''
o Case: 24.6'' x 19.7'' x 14.4''

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Portable Spectral Induced Polarization (SIP) Full Switch Unit (PSFS)

The PSFS is a switching unit designed specifically as an accessory to the PSIP. The PSFS maintains the driven guards of the PSIP for optimal signal quality.

Configurations:
o 4 x 24
o 4 x 48
o Dual 4 x 24

Larger Configuration Support:
o PSFS units can be ganged for larger confgurations

Power Input:
o PSIP provides power

Dimensions:
o Unit: 17.16'' x 10.53'' x 7.69''
o Case: 24.6'' x 19.7'' x 14.4''

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OEM SIP Sonde Electronics

Complete electronics, firmware and acquisition and control software that is suitable for integration into a customer's sonde / borehole logging system. SIP stimulus and sensing performed entirely by SIP Sonde Electronics within the borehole. Modular electronics design supports application specific focusing and electrode arrangements by simply adding modules.

Power Input:
o 12V DC Nominal

Control Input:
o Ethernet

Dimensions:
o Length -- 48"-72" -- depending on electrode configuration
o Diameter --- 1.5" inside diameter required

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Coming Soon

SIP Sonde

Complete sonde including enclosure, electronics, firmware and acquisition and control software.

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