Cable Monitoring Articles

  • First short-term noise monitoring system for airports launched

    Airport Noise Monitoring On Demand increases flexibility for investigation, compliance or planned changes Brüel & Kjær today announced the release of Airport Noise Monitoring On Demand, a system that enables airports to temporarily - and cost-effectively - increase noise monitoring when needs arise. This system helps airports measure ...

  • Should Your Sensor Have A Connector Or Pin Terminals?

    When it comes to measuring the activity of your project, it’s nice to have options. High precision sensors can offer plenty of selections from the range of your measurements to the output of your readings, but a sensor is only as good at its connection. Connectors and pin terminals are common and dependable connections that relay your readings from within the sensor to the screen in front ...


    By Jewell Instruments LLC

  • Case Study - Groundwater: 600 meter Deep Survey

    Thika, Kenya Survey date: February 13, 2006 Location: Thika, Kenya Instrument: SuperSting R8/IP with Switch Box 84 and AGI resistivity imaging cable and electrode stakes with spring Electrode geometry:  combined dipole-dipole, schlumberger and pole-dipole array (20 m spacing for 646 m exploration depth) Software:  ...


    By Advanced Geosciences, Inc.

  • Case Study - Mapping Gold Deposits with Induced Polarization Surveys, Yukon, Canada

    Site:  Rockhaven Resources Ltd. Klaza property in Yukon Territory, Canada Equipment:  SuperStingR8 with AGI 84 electrode passive electrical imaging cable, 5 meter electrode spacing, inverse schlumberger array, boost mode(200W output), Direct Samples:  Reverse circulation drilling and geochemical analysis of core samples. Results:  SuperStingR8 induced ...


    By Advanced Geosciences, Inc.

  • Case Study - Lacustrine: Underwater Resistivity Surveys

    Lake Travis – Austin, Texas Objective:  Locate buried pipeline and map the limestone bedrock surface Site:  Lake Travis, near Austin, Texas USA during the AGI Marine Resistivity Seminar Date:  May 1, 2014 and May 7, 2015 Instrument:  SuperStingR8 WiFi, SwitchBox56, underwater marine cable with 28 electrodes spaced at 6m. ...


    By Advanced Geosciences, Inc.

  • Case Study - Shallow Soil Resistivity Survey

    Lima, Peru Site:  Pontificia Universidad Católica del Perú, Lima, Peru Instrument and method:  SuperStingR8 WiFi with 28 electrode passive electrical imaging cable.  Measured in dipole-dipole and inverse schlumberger array.  Modeled with EarthImager 2D. Results:  Resistivity data were used to successfully estimate the ...


    By Advanced Geosciences, Inc.

  • Case Study - Panama Canal: Boat Towed 3D Resistivity Surveys

    77 km Long 3D Canal Floor Sediment/Rock Study for Dredging Estimates Boat towed streaming dipole-dipole resistivity data were successfully used to estimate geotechnical properties of the canal floor in order to reduce dredging costs for an ongoing Panama Canal expansion program. Site:  The 77-km long Panama Canal with 773 line-km of resistivity data collected at 25 m transect spacing ...


    By Advanced Geosciences, Inc.

  • Case Study - Springs: Limestone Fractures - Comal Springs, Texas

    Title: 3D Imaging of Karst Fractures at Comal Springs, Texas, USA Organization: University of Texas at Austin and The Edwards Aquifer Authority Date collected: March 2015 Location: Comal Springs, Texas, USA Instrument: SuperSting Wi-Fi, 28 electrode AGI Passive Graphite Electrode Marine Cable Electrode Spacing: 1 meter Array: Dipole-Dipole Number of Electrodes: ...


    By Advanced Geosciences, Inc.

  • Case Study - Groundwater: Locating Water Wells

    South Sudan: 4000 L/min water well Date:  February 25, 2015 Site:  Yeri Mozo Village, South Sudan, Africa Equipment:  SuperStingR8 WiFi, SwitchBox56 and passive cables spaced at 5m. Software:  EarthImager2D with a finite element inversion model of dipole-dipole array data. Results:  Resistivity imaging successfully ...


    By Advanced Geosciences, Inc.

  • Monitoring the holy ground of FC Basel - Case Study

    The grass on athletic grounds, particularly in large stadiums, is not only an important concern for sports but also one of the largest cost drivers. Therefore, the monitoring and care of the grounds takes on special significance. PlantCare has installed a soil moisture monitoring system as part of the redesign of the entire playing field at St. Jakob-Park stadium in Basel. The system measures ...


    By Eijkelkamp Soil & Water

  • Compare active and passive cables

    Active cables refer to the cable with electronic part in the cable. Control and ADC in resistivity system controls the electronic parts in the cable, which controls the current injection. Passive cables refer to the cable with no electronic part in the cable. One of the advantage of passive cables is its ability to borehole and marine surveys, operator can put passive cables in water. Putting ...

  • Mineral prospecting case study 2

    We had recently carried out a copper prospecting survey. Electrodes were placed on the surface at 5m interval, one cable was connected to electrodes on surface and another cable is put in to the borehole. After repeating the surveys at nearby borehole, we generated two resistivity distribution images. We determined that the band of low resistivity approximately 30m below surface has a high chance ...

  • Locating pipes and cables case study

    GPR can be used to determine the location and depth of metallic, non-metallic, plastic, concrete and asbestos-concrete utilities, and cables (power, signal, etc.) Locating of  City Utilities The VIY3-300 GPR was used for locating of city utilities (water, gas, sewer, etc.). This profile shows city utilities at a depth of 1.2 and 2.0 meters (wave speed is 130 meters per ...


    By Transient Technologies LLC

  • Using GPR to map rebar and post tension cables case study

    Building Renovation - Boston, MA Our client was tasked to install new plumbing lines as part of a building renovation. This task involved drilling cores through each floor of the building. Geoview was contracted to locate the rebar and post tension cables to determine safe coring locations. The geophysical investigation was conducted using Mala and GSSI Structure Scan ground ...


    By GeoView, Inc.

  • Utility locating at a Gasoline station case study

    As part of an Phase II Environmental Site Assessment at a gasoline station, GeoView was tasked with locating and mapping the  utilities within the boundaries of the property. The utilities included electrical lines, communication lines, PVC and metal water lines, sewer lines and fiberglass fuel lines. The property did not have any as-builts to reference. As standard procedure, GeoView ...


    By GeoView, Inc.

  • Utility Locating and Mapping at a Power plant case study

    An expansion was planned at a power plant in west central Florida. As part of the design build plan, all of the utilities within the proposed building footprint had to be located and mapped. There were two phases of the investigation. Utility designation was the first phase. This involved studying existing as-builts, performing site walkthroughs with plant personnel in order to ascertain a ...


    By GeoView, Inc.

  • Do you need to monitor temperature and humidity in controlled environments?

    Look no further. This compact and easy-to-use instrument is ideal for constant monitoring of temperature and humidity measurements in environments where a record of data for traceability is required. It is ideal for use in medical product storage facilities, warehousing and distribution, containers, industrial processes, laboratory environments, museums, and classrooms. With a ...


    By ATP Instrumentation Ltd

  • Protecting Remote Monitoring Sites from Lightning Damage

    Protecting monitoring sites from lightning damage is an important consideration for equipment and stations that are deployed in areas that are prone to lightning strikes. Lightning that does not directly strike a site may still cause damage by traveling through the ground and into buried sensors or cable. Proper planning for such events can help reduce the risk of lost data or expensive ...

  • Cable shovel health and longevity and operator efficiency in oil sands excavation

    Cable shovel excavation in the Athabasca oil sands formation is carried out with little or no pre-fragmentation. The stress loading of a shovel's front-end assembly must continually be monitored and managed to prevent fatigue failure. In this paper, the authors advance the reliability of the cable shovel boom through dynamic and stress modelling using rigid and flexible multi-body dynamics theory ...


    By Inderscience Publishers

  • PULSE smart start – a user’s experience

    Measuring on a Grounded Aeroplane   In the early days of PULSE, a team from Brüel & Kjær had the opportunity of performing a ground test on a Boeing 767. The left engine of the aeroplane had undergone a scheduled overhaul. The engine was reassembled and verified in a test cell. Everything seemed fine. The engine was mounted on the aeroplane and the aeroplane was ...

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