AUSTIN, TX & HARRISBURG, PA · SHIPPING THE US, TERRITORIES & CANADA · SINCE 1998
NEWS & ARTICLES

Two decades of field notes

New instruments joining the fleet, project stories, training sessions, and company milestones — the archive back to 2005.

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DEC7–12
AGU Annual MeetingAmerican Geophysical UnionSan Francisco, CA
DEC8–11
Ground Water WeekNational Ground Water AssociationLas Vegas, NV
OCTOBER 2026 · LATEST

Introducing the New EXIUSA.com!

The new exiusa.com

We’re excited to announce the launch of our redesigned website! We’ve made it easier to navigate, added more detailed equipment information, and created a more user-friendly experience to help you find the right tools for your next project.

Here’s what’s new:

  • Easier navigation: Find the equipment and information you need faster.
  • More detailed equipment listings: Explore our inventory with more information to help you choose the right system for your application.
  • Equipment manuals: Access manuals and helpful resources to support your work in the field.
  • Simplified rental requests: We’ve made it easier to find equipment and get the rental process started.

At Exploration Instruments, our goal has always been to make geophysical equipment and expertise more accessible. This new website is another step toward making your experience with EXI as straightforward and productive as possible.

Take a look around and explore the new site at www.exiusa.com!

As always, if you need help selecting equipment or have questions about your application, our team is here to help.

EARLIER
SEPTEMBER 2026Introducing the VPEG-8 eVib

Exploration Instruments is now renting the **new VPEG-8 eVib** from **R.T. Clark** in order to bring innovative seismic technology to our field operations. The VPEG-8 is…

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AUGUST 2026New Rental Equipment: the Geometrics MagEx Portable Exploration Magnetometer

Exploration Instruments announces the addition of the **Geometrics MagEx Portable Exploration Magnetometer** to our rental inventory! Designed for modern geophysical…

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MARCH 2026EXI Announces Partnership with TEMcompany!

We’re excited to announce our partnership with **TEMcompany**, bringing customers greater access to their innovative transient electromagnetic (TEM) technology through…

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JANUARY 2025EXI Welcomes Our New Geoscientist, Kevin Cerna!

Kevin Cerna is thrilled to join the Exploration Instruments team as a Geophysicist in the Harrisburg, Pennsylvania office. Through his professional and academic…

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JUNE 2023Screening Eagle names Exploration Instruments exclusive rental company for the United States

Exploration Instruments is proud to announce our new partnership with Screening Eagle as exclusive rentor of Proceq and Pundit products in the United States.  Our rental…

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NOVEMBER 2021SOILSPY digital seismic system makes waves in the near-surface geophysical world

Collecting surface wave seismic data - passive (ReMi TM , SPAC, ESAC, SSAP) or active methods (SASW, MASW, SPAC, FTAN) or P and S wave refraction has never been so…

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JUNE 2021EXI and Kaarta Join Forces

Kaarta, the innovator of real-time mobile 3D reality capture, and Exploration Instruments LLC (EXI), the experts in near-surface geophysical equipment and applications,…

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APRIL 2021EXI VENDOR KAARTA ANNOUNCES ISSUANCE OF NEW U.S. PATENT

April 9, 2021   Kaarta, manufacturer of Exploration Instrument's Stencil SLAM system, and innovator of real-time mobile 3D reality capture, announced today that U.S.…

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OCTOBER 2020LIDAR Compatibility with DJI M600

Terrific advancements in LIDAR technology development now make it possible for you to rent a world-quality system for your own DJI system drone.  Exploration Instruments…

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DECEMBER 2018Installing Spikes on a Tromino Seismograph

Many users of Tromino ENGY and Zero units have complained that the longer, pointed studs seem too tight to screw into the bottom lugs of the units. This is due, in part,…

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DECEMBER 2018Our new 12-channel hydrophone string is a skinny thing!

This new, slender hydrophone string is just the ticket for collecting seismic data in a narrow borehole. With a maximum outside dimension of only 1.25", the cable will…

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OCTOBER 2018Tempos Replaces KD2 for Thermal Properties Measurements

The new TEMPOS Thermal Properties Analyzer from the Meter Group replaces the Decagon KD2 in our inventory. It is the newest model from that manufacturer. The TEMPOS…

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OCTOBER 2018EXI To Discontinue Renting 200 mhz Radar Antenna

Due to diminished demand and the advent of the highly-capable 350 mHz Hyper-stacking antennas, Exploration will soon discontinue carrying the GSSI 200 mHz analogue…

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AUGUST 2018EEGS and EAGE Team Up For SAGEEP2019

The Environmental and Engineering Society (EEGS) has teamed with the European Association of Geoscientists and Engineers (EAGE) to present next year's Symposium on the…

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AUGUST 2018Tromino Zero Adds Low-Cost Passive Seismic Option

Due to increased demand for the Tromino seismograph, EXI has added two Zero units to the rental inventory. The Tromino Zero is a small, lightweight, 3-channel,…

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JULY 2018Passive Seismic Surveying with Tromino

Passive Seismic for Quarries The application of passive seismic measurements (VS/VP) is gaining in popularity due to the availability of small, portable all-in-one…

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JUNE 2018UCL to MARS

In 2017, we had the pleasure of working with Elke Mergny and Crew 178 from UCL to MARS program in their experimental stay at the research station in Utah. A recent…

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MAY 2018EXI and Foerster Team for Magnetometer Survey of Andrew Jackson’s Hermitage Historical Site

During the most recent meeting of the Environmental and Engineering Society in Nashville, TN in March 2018 (SAGEEP), a demonstration opportunity was presented to all…

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MAY 2018Exploration Instruments (EXI) Has Added a Borehole Logging System

Exploration Instruments (EXI) has added a borehole logging system to its rental pool in Harrisburg, PA.    The system is a Mt Sopris Matrix system with a 175 meter mini…

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MARCH 2018Exploration Instruments Celebrates 20 Years at SAGEEP

Exploration Instruments is celebrating its 20 th year in business by exhibiting at the Symposium for the Application of Geophysics to Environmental and Engineering…

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MARCH 2018Customer demand ramps up for the new UtilityScan system

Customer demand for the new UtilityScan system from GSSI has resulted in EXI acquiring multiple units to place in our offices. This lightweight, wireless system employs…

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JANUARY 2018The Search For A Concealed Impact Crater

Professor Dr. Donald Stierman and student Eric Armstrong from the University of Toledo, Ohio (UT) recently used the MOHO Tromino passive seismic system from Exploration…

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JANUARY 2018Foerster FEREX Magnetometer Array added to Rental Pool

Exploration Instruments (EXI) has added the newest version of the Foerster Instruments (Foerster) Ferex 4 magnetometer sensor array to the rental pool.  The Foerster…

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DECEMBER 2017How can I best compare sparker sources?

"How can I best compare sparker sources?" We asked that question of Trident Research, the manufacturer of the Scorpion P-Wave Sparker Source. Brian Roderick, the product…

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DECEMBER 2017New Inventory: GISCO Radio Trigger Link

Exploration Instruments has added a new GISCO Radio Trigger Link to its rental inventory. The package has two modules, each employing its own radio, to connect a trigger…

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AUGUST 2017Tromino ENGY Seismograph makes Dynamic Characterization of Subsoils a Snap.

We are very pleased to be the sole provider of the Tromino 3 ENGY in the USA. The Tromino 3G is a small, lightweight, 3-channel, all-in-one seismograph specifically…

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JULY 2017EXI Harrisburg office adds GISCO ESS-500 Turbo Trailer-Mounted High-Energy Electrical Seismic Source

Exploration Instruments (EXI) has added a new GISCO ESS-500-TURBO , Trailer Mounted Electronic Seismic Source to its PA rental pool. The ESS-500-TURBO has a 500 pound…

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MAY 2017GSSI StructureScan Mini XT Added to EXI Rental Inventory

The StructureScan Mini XT is GSSI’s newest generation of the very popular all-in-one GPR systems. The StructureScan Mini XT offers a 2.7 GHz antenna for superior target…

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MAY 2017EXI takes delivery of first Scorpion P-wave Sparker Source in the USA

Exploration Instruments was pleased to showcase the new Scorpion P-wave Borehole Sparker Seismic Source from Trident Research at SAGEEP 2017 in Denver. It seemed…

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DECEMBER 2016Exploration Instruments opens new office in Harrisburg, PA

Exploration Instruments, of Austin, Texas, has opened a new branch office in Harrisburg, Pennsylvania. The Harrisburg office is fully staffed with 4 experienced…

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JULY 2016New ESS Mini AWD Seismic Source

Exploration Instruments is now offering the new ESS Mini Accelerated Weight Drop Source. This light-weight source weighs only 150 lbs total and delivers quite a punch in…

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JUNE 2016Seminars on Applied Geophysics

Our Friends at Collier Consulting and GeoSurvey Systems have organized a series of seminars on Applied Geophysics to be presented at 3 different times and locations in…

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JANUARY 2016Take Advantage of SuperSting WIFI!

Many of our clients have been renting the SuperSting R8 system with the WIFI capability, but without actually using the tablet and functionality that it offers. This may…

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APRIL 2015Instantel MicroMate is nicely engineered.

We are quite pleased with the addition of the Instantel MicroMate to our rental inventory. This is a really well-engineered successor to the previous vibration monitors…

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NOVEMBER 2014Thermal Resistivity Web site is a new resource

A new Thermal Resisivity Resource web site ( www.thermalresistivity.com ) has been put up by our friends at Decagon Devices. The site provides information as to the…

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OCTOBER 2014UtilityScan GPR classes scheduled for December 2014

EXI will host (2) GPR classes aimed at Utility detection in December. Taught by training personnel from GSSI, the first class will be taught for SIR3000/SIR4000-based…

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SEPTEMBER 2014John J. Nicholl Jr. passes

***In Memoriam*** John J. Nicholl, Jr. "URS Colorado lost a dear friend and colleague with the recent passing of John J. Nicholl, Jr.    John was a Senior Consulting…

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JUNE 2014America's Cup Boat Flies to new home

This doesn't have anything to do with geophysics, we just thought it was a really cool photo of Erickson Air Crane flying the Oracle America's Cup boat to it's new home…

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DECEMBER 2013Foerster Ferex fills Magnetometer needs.

We've been admiring and talking about the Foerster Ferex  for years and have recently purchased a unit for our inventory. We think this instrument complements our other…

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NOVEMBER 2013Profiler expands EM offerings

A lightweight sensor mated to real-time data display and GPS make the multi-frequency Profiler a good tool for all kinds of locating projects. The 7.5 lb antenna that…

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NOVEMBER 2013Winter/Spring GPR Classes added

The success of our August GSSI Radar Training class, coupled with increased demand, has resulted in the addition of 8 more training opportunities for GPR and EM here.…

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NOVEMBER 2013Trimble Nomad improves logging of gravity data

Trimble Nomad  Data Logger EXI offers data logging for the Aliod Gravity Meter system through the MeterLog program running on a Trimble Nomad under Windows Mobile OS.…

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AUGUST 2013The SuperSting R8 WIFI makes life easier.

The  SuperSting R8 WIFI  resistivity system can now be rented from Exploration Instruments. This meter communicates with devices running the Droid OS using the…

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JULY 2013Radar Training Class scheduled for August 2013

GSSI Training representatives will conduct a 3 day training class at the Exploration Instruments facility in Austin, Texas over the days of August 27-29, 2013. The class…

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JULY 2013EEGS Foundation Holds Ebay Auction

The Environmental and Engineering Geophysical Society Foundation   is holding an eBay auction as a fundraiser. This continues the effort made through the very successful…

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APRIL 2013EXI rents the new GSSI UtilityScan Dual Frequency

EXI is the only place to rent the new GSSI  UtilityScan™ DF ground penetrating radar system for utility locating. The UtilityScan DF uses GPR to create an image of the…

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APRIL 20132013 Karst Conference scheduled for Carlsbad, New Mexico

The Multidisciplinary Conference on Sinkholes and the Engineering and Environmental Impacts of Karst is scheduled for May 6-10, 2013 in Carlsbad, New Mexico  USA

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APRIL 2013Boston is site of 2014 SAGEEP

At this year's Symposium for the Application of Geophysics to Enviromental and Engineering Problems (SAGEEP) in Denver, the organizing committee formally chose Boston,…

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FEBRUARY 2013Innovative resistivity data collection

I can't say that we have first-hand experience with it, but anyone who is performing electrical resistivity surveys on a regular basis should check out this video posted…

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NOVEMBER 2012KD-2 Thermal Conductivity Analyzer

Featured Gear of the Month is the Decagon Devices KD2 Pro . The KD2 Pro is a fully portable field and lab thermal properties analyzer. It uses the transient line heat…

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JUNE 2012Geonics EM-38 MKII

Featured Gear of the Month is the Geonics EM 38 MK2 , which is an ideal instrument for those working to delineate near-surface spills of fluids from drilling-water…

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FEBRUARY 2012February 2012

The 25th Symposium for the Application of Geophysics to Environmental and Engineering Problems (SAGEEP) , will be held March 25-29, 2012 in Tucson Arizona. Be sure to…

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DECEMBER 2011December 2011

EXI adds the MiniRAE 2000 PID for Environmental Soil Testing The rugged MiniRAE 2000 is the smallest pumped handheld volatile organic compound (VOC) monitor on the…

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APRIL 2011April 2011

The StructureScan Mini is now available for rent! The StructureScan Mini radar device from GSSI is a really smart, economical way to image concrete structures. We have…

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FEBRUARY 2011February 2011

Instantel MiniMate adds Vibration Monitoring capabilities to EXI The MiniMate has long been the instrument of choice in vibration monitoring and we are happy to offer it…

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JANUARY 2011January 2011

Geometrics ES3000 ties cross-hole seismic system together We like this 12 channel seismograph for use with our borehole seismic systems. Combined with a down-hole source…

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OCTOBER 2010October 2010

EXI adds RD8000 Locators to Rental Pool We have been very satisfied with our past experience carrying the Radio Detection Pipe and Cable Locators. We have added the…

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MAY 2010May 2010

New Seismic cables for 48 channel acquisition Tired of moving 12 channel seismic cables for 48 channel acquisition work? EXI has added more 24 channel seismic cables to…

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MARCH 2010March 2010

CALIBRATION CERTIFICATES FOR RESISTIVITY INSTRUMENTS Many of our clients perform work on existing or proposed sites for nuclear power plants. One of the common…

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OCTOBER 2009October 2009

IT'S HERE! After much anticipation, we have received our first 2000mhz Palm antenna from GSSI. The new Palm Antenna offers users the ability to reach tightly spaced…

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AUGUST 2009August 2009

2600 mHz Antenna EXI has added a new model high-frequency antenna to its list of available options to the radar systems. Those working with a need for very high…

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JULY 2009July 2009

New Faces, New Voices Greg Jones has taken over Customer Service at Extension 100. Greg has a degree in Environmental Sciences and comes to us most recently from…

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JUNE 2009June 2009

Look Ma, no backpack! The newest version of the Geonics EM61, the MKIIA, eliminates the need to put on a backpack. New brackets on the coils and carry-handle support the…

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MARCH 2009March 2009

New carts are now available for use with the SIR3000 Ground Penetrating Radar systems. The four-wheel configuration is particularly suitable for the 270 mhz antenna but…

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JANUARY 2009January 2009

More channels, more channels, more channels! As our clients continue to evolve with available technology, trying to keep up with the demand for ever-increasing volume of…

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NOVEMBER 2008November 2008

EXI has added the new 2.6Ghz antenna from GSSI to the radar rental inventory. This antenna provides great resolution in concrete imaging and allows greater flexibility…

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MARCH 2008March 2008

Early 2008 has seen Exploration Instruments acquiring several new geophysical instruments. Another GSSI product we have recently added to the rental pool is the Roadscan…

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NOVEMBER 2007November 2007

November has brought with it some welcome additions to the inventory. Exploration Instruments is excited about adding capability to our AGI SuperSting systems by…

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JULY 2007July 2007

Early summer has been a time for change and we began by modifying a number of our Geonics EM-38's. For any one measurement, the standard EM38 provides measurements of…

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JUNE 2007June 2007

The latest info from the Environmental and Engineering Geophysical Society has hit the stands and may be viewed at FasTimes. A high-resolution version, best for printing…

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APRIL 2007April 2007

You can access the latest information from the Environmental and Engineering Geophysical Society by viewing the newest newsletter from that organization at FasTimes

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MARCH 2007March 2007

We have added another RD4000 to our inventory. Clients have found this Pipe and Cable Locator by Radio Detection to be extremely useful in many applications. We have…

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SEPTEMBER 2006September 2006

The summer has been so busy we forgot to post a notice about EXI's new sub-bottom profiling system! The Stratabox from Syqwest Systems is a great, compact system that…

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JUNE 2006June 2006

We are happy to announce that EXI has taken delivery of two of the very first commercially available Ultra MiniRes's from L and R Instruments! The Ultra continues L and…

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MARCH 2006March 2006

Exploration Instruments is hiring! We're looking for a geophysicist to take over management of our equipment inventory and we'd love to hear from you. Check out our New…

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JANUARY 2006January 2006

Looking for some information about Surface Wave Techniques? The folks at Geovision have kindly allowed us to make available their concise overview of Active and Passive…

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SEPTEMBER 2005September 2005

EXI is pleased to announce the addition of the Geometrics 24-channel Geode to our rental inventory! Bundled with its own processing software, the Geode boosts our…

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AUGUST 2005August 2005

Our Lacoste and Romberg Model AliodG Gravity Meter has been upgraded with an attached battery housing! This long-awaited upgrade does away with external batteries…

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MAY 2005May 2005

The new GSSI Structure-Scan Optical System is now available from EXI. The fusion of a Bar-code reader with Wheel-encoder on the antenna cart enables a user to acquire…

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APRIL 2005April 2005

The EEGS announces that photos from the recent SAGEEP meeting are available for viewing via the Interpex web site! Look for friends courtesy of Dr. Charles Stoyer.…

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THE FLEET TODAY

See what all that news added up to

Every instrument in these stories rents by the day, door to door.