The only resistivity and IP surveying system you need

Flexible, easy to use and boasting a number of innovative features the ABEM Terrameter LS 2 is the ideal partner for geotechnical, groundwater, mineral or environmental surveys and research work. Whether it is repeated autonomous monitoring across an electrode layout of hundreds of metres or a one-off measurement on centimetre-spaced pins in a laboratory model, the Terrameter LS 2 can do it all.

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Application Areas

Groundwater prospecting

One of the oldest applications for electrical resistivity which is not limited to just detecting water but is able to differentiate between fresh, brackish and saline deposits, monitor drawdown and recharge of an aquifer, or simply estimate its extents by surveying across a landscape. The addition of chargeability data from the Induced Polarization (IP) method can further differentiate between clay and water which have similar resistivity values associated with them. The SAS Log accessory allows further refinements of hydrological models with borehole resistivity logging.

Geological mapping

The Terrameter LS 2 can fulfil a wide range of activities in the engineering world such as determining depth to bedrock, making an assessment of bedrock strength, mapping pollution plumes, monitoring dams and embankments for seepage, looking for potential slip planes, mapping voids and locating large deep infrastructure that might be beyond the reach of GPR.

Mineral exploration

Rapid recording of both resistivity and IP data, and the option to make SP (spontaneous potential) measurements, makes the ABEM Terrameter LS 2 well-suited to near-surface mineral prospection. A large number of mineral ores generate significant resistivity and IP responses which allows for a more complete picture than drilling alone.

Features

Active Guidance

Expert help and guidance at your fingertips

The Terrameter LS 2 is the first instrument to benefit from ABEM Active Guidance. In this first generation of the feature, a single press of the guidance button will detect the active page, menu item or command and bring up relevant information. The Active Guidance aims to be much more than a simple “help” function; it is there to provide tips and suggestions from our experienced technical staff, as well as helping you avoid common mistakes. It is like having one of our Application Engineers by your side at every step of your survey, and is another example of Guideline Geo’s commitment to being your guide to the subsurface.

 

Accessing ABEM Active Guidance on the Terrameter LS 2

Outstanding data quality

Always collecting the best data possible 

Class-leading resolution comes from every measurement channel having a dedicated 24-bit digitiser, which then auto selects the best of 3 voltage ranges, allowing both large and small signals to be recorded without clipping or loss of resolution. The electrical isolation between all channels reduces interference from strong signals polluting any weaker responses on adjacent channelsIn addition, the Terrameter LS 2 features our unique 100% duty cycle IP measurement mode, which can provide better quality chargeability data. This mode extracts IP effects from the current switch-over rather than switch-off period, providing a larger measurable effect and faster measurements, thus allowing time for more stacks to further improve signal-to-noise ratios.

High quality resistivity data from ABEM Terrameter LS 2

High quality resistivity data from ABEM Terrameter LS 2

Mineral exploration using Resistivity-IP. Location of possible gold bearing formations associated with metallic sulfide mineralization.

Unmatched versatility

Tailor the system to fit your survey needs and remotely upgrade the specification if those needs change 

The ABEM Terrameter LS 2 resistivity meter offers an unrivaled hardware licensing system where the system specification is controlled by a license code. Choose the specification to meet your current needs and budget and be assured that if your needs change in the future, an upgrade of the specifications is just an internet connection away. License upgrades can be accessed via our online license server or emailed directly to your inbox for transfer to the instrument by USB. The Terrameter family of products are capable of resistivity, IP and SP measurements by VES, imaging, or profiling on land, in water or via boreholes utilising spreads of 16,000+ electrodes if necessary. 

High quality resistivity data from ABEM Terrameter LS 2

View system configurations

Remote connectivity

Operate, upgrade, download or test anywhere, at any time

Flexible remote connectivity allows you to run the instrument from any device via Wi-Fi, ethernet or a mobile connection either locally or through the internet. It also allows the ABEM support team to assist with support or troubleshooting without the need to return the instrument to a workshop. This unique feature ensures that the system is always up to date, operating correctly, with the risk of downtime kept to an absolute minimum.  

Surveing System for Resisivity measurements - ABEM Terrameter LS 2

A RUGGED SYSTEM MADE FOR THE FIELD

Designed and optimized for even the harshest of conditions 

The robust and durable aluminum casing meets IEC IP66 classification and allows for use in anywhere from -20°C to +70°C. Durable high specification connectors, a 6mm shatterproof glass screen and protective rubber bump strips ensure a reliable and tough system. If the environment is unwelcoming, the 100% duty cycle IP mode, automated optimisation of the measurement protocols and up to 12 measurement channels means you’ll never be in the field longer than necessary – ensuring fast and precise resistivity and IP surveying.

High quality resistivity data from ABEM Terrameter LS 2

Accessories

ABEM Power Adapter

Robust and stable power in the field

This powerful AC-DC adapter allows operators to run their ABEM instruments from an existing power network or a small ‘suitcase’-style generator. These generators weigh less than a typical high-capacity lead-acid battery, providing an option for prolonged power even in locations where recharging of batteries may be problematic. The ABEM Power Adapter is perfect for demanding field campaigns; it is fully waterproof and capable of providing a clean and stable 12V DC supply in excess of 30A from a 110V/230V AC (50 or 60 Hz) source. It would also suit monitoring and other unattended applications where there would be limited opportunities for changing over batteries.

In addition to the main power output, a waterproof auxiliary connector offers both 5V 2A and 12V 1A outputs, for custom accessories, plus an “operation OK” signal, useful for remote applications.

There are two versions of the ABEM Power Adapter: one is compatible with the original Terrameter LS and Terraloc Pro, whilst the other is compatible with the current Terrameter LS 2 and Terraloc Pro 2.

 

ABEM ES10-64C

Expand electrode capacity for greater flexibility

External electrode selectors allow for the creation of longer and (or) denser spreads of electrodes, useful for better resolution, deeper surveys or larger 3D layouts. Each ES10-64C has the capacity to address 64 electrodes and the units can be connected in series to further expand the electrode capacity. The maximum number of electrodes that can be controlled by a single Terrameter LS 2 is in excess of 16,000.

ABEM Terrameter Log 300

Integrated resistivity & IP logging

The ABEM Terrameter Log 300 is a plug-and-play borehole logging tool compatible with both the SAS and LS product ranges. It seamlessly adds borehole capability to existing resistivity systems in a robust, durable design for demanding fieldwork. Deployment is made easier with a backpack frame and an optional tripod.

Learn more about the Terrameter Log 300 and its capabilities here.

ABEM Transport Case

Transport and store your instrument securely

Protect your equipment in even the toughest of conditions. With the ABEM Transport Case you can be sure that your Terrameter LS 2 is safely stored during transportation to and from the field. Industry-leading materials ensure a rugged dust and water proof case that can withstand the test of weather and time.

 

 

The electrical resistivity method has a huge range of applications from the mapping of resources such as minerals and water, to environmental monitoring, to engineering and hazard assessment. 

LEARN MORE ABOUT ResistivitY and Induced Polarization


 

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