News & Articles

  • UCL to MARS Thursday, June 21st, 2018

    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 article in National Geographic ( reminded us of that project and we asked Elke if she would write us a description of her time there. She graciously provided us with the following account.

  • EXI and Foerster Team for Magnetometer Survey of Andrew Jackson’s Hermitage Historical Site Monday, May 7th, 2018

    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 exhibitors.

  • Exploration Instruments (EXI) Has Added a Borehole Logging System Friday, May 4th, 2018

    The system is a Mt Sopris Matrix system with a 175 meter mini winch.  In addition to most standard borehole tools, EXI has a Mt Sopris ABI-40 Acoustical Televiewer (ATV), Mt Sopris OBI-40 Optical Televiewer (OTV), Mt Sopris HFP-2293 Heat Pulse Flow Meter, and a Mt Sopris 2SAA-1000F, Full Wave Form Sonic (P and S wave) tool.

  • Exploration Instruments Celebrates 20 Years at SAGEEP Friday, March 23rd, 2018

    Exploration Instruments is celebrating its 20th year in business by exhibiting at the Symposium for the Application of Geophysics to Environmental and Engineering Problems (SAGEEP) in Nashville, TN beginning March 25, 2018.

  • Customer demand ramps up for the new UtilityScan system Tuesday, March 20th, 2018

    Customer demand for the new UtilityScan system from GSSI has resulted in EXI acquiring multiple units to place in our offices.

  • Foerster FEREX Magnetometer Array added to Rental Pool Monday, January 15th, 2018

    Exploration Instruments (EXI) has added the newest version of the Foerster Instruments (Foerster) Ferex 4 magnetometer sensor array to the rental pool.  The Foerster Ferex is a vertical gradient fluxgate magnetometer used for a variety of applications such as archeology, environmental, utility mapping, and UXO detection.

  • The Search For A Concealed Impact Crater Monday, January 15th, 2018

    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 Instruments (EXI) to try to detect the bottom of a suspected impact crater located in Seneca County, Ohio.

  • New Inventory: GISCO Radio Trigger Link Thursday, December 14th, 2017

    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 associated with a source (hammer, AWD, Scorpion, etc.) to the recording seismograph. This system eliminates the need for the common trigger extension cable which...

  • How can I best compare sparker sources? Thursday, December 14th, 2017

    We asked that question of Trident Research, the manufacturer of the Scorpion P-Wave Sparker Source. Brian Roderick, the product engineer, sent us this reply: "I know some people want to know what the stored energy of the unit is, due to other manufacturers providing this information, but it does not completely translate into acoustic output.

  • Tromino ENGY Seismograph makes Dynamic Characterization of Subsoils a Snap. Monday, August 7th, 2017

    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 designed for the dynamic characterization of subsoils with the highest accuracy and the lowest effort.