One 1 geonics model em343 terrain conductivity meter. Em61 operational procedures and quality control recommendations for geophysical investigations with the geonics em61mk2 and em61. Software for geonics instruments downloads geonics limited. The em31 is a frequency domain ground conductivity meter used to bulk sample the ground to about 6 metres deep. The geonics em31 and em34 meters geonics, mississauga, on, canada have does of 36 m and 7. Em31mk2 data acquisition for polycorder 600 158 kb. Geonics em31 the em31mk2 or em31sh instrument or any em31 model with rt modification with associated cables. Simple to operate and costeffective, the em343 is an instrument for the geologist and hydrogeologist alike. Firstly, to test whether a geonics em31 induction meter could be used to accurately estimate soil salinity in jarrah and karri forest soils. The geonics em38 is a frequencydomain electromagnetic geophysical instrument designed to measure bulk soil conductivity, also known as apparent conductivity. Calibrating and using an em31 electromagnetic induction meter to estimate and map soil salinity in the jarrah and karri forests of southwestern australia. Using the same patented inductive method as the em31, the em343 uses 3 intercoil.
Electromagnetic geonics em34 geonics em34 conductivity meter. Maps any subsurface anomaly that causes a change in the conductivity of the ground. Transmitter, receiver, 2 coils, 3 cables 10m,20m,40m the em343 is a simpletooperate, costeffective instrument for the geologist and hydrogeologist alike. Geonics limited is a world leader in the design and manufacture of electromagnetic geophysical instrumentation for geological, environmental, geotechnical, and uxo applications.
If this occurs, when the software time stamps gps positions with local allegroarcher timer, a problem can occur due to nonsequential timing. Though the results reflect changes in apparent resistivity, it is an excellent alternative to geonics em31, em34, or em38, which does not always work well in electrically resistive soil conditions. Geonics em31, em34, and em38 systems measure the terrain conductivity, inphase response, and magnetic susceptibility of rock, soil, fill, pore fluids, and metal using fdem. Rent geonics em31 em61 em34 em38 protem em31 em61 em34 em. Em61 operational procedures for geonics em61mk2 and em61. Downloads, brochures and product documentation from geonics limited. Geophysical equipment rental magnetometers,electromagnetics,resistivity,ground penetrating radar,seismic,locators for environmental, hydrology,archaeology,uxo. Electromagnetic geonics em31sh geonics em 31 sh short ground conductivity meter. The geonics em31 instrument is used to map average variations of electrical conductivity at depths between zero and three to six metres.
Geonics em31 troubleshooting almost always starts with checking the batteries. A canadianowned company, located in mississauga, ontario, canada, geonics limited is a world leader in the design, manufacture and service of electromagnetic geophysical instrumentation. With appropriate software, multiple measurements can be used to model the geologic profile. Geonics em31 mk2 calibration and zeroing procedure. The new em38mk2 ground conductivity meter effectively combines the performance features of all previous em38 models in a single instrument. The following manufacturers and suppliers are reliable sources and provide ongoing sales and support. Electromagnetic geonics em 31 geonics em 31 ground conductivity meter. Geonics em31 ground conductivity meter exploration instruments. The program creates folder data34 which is the default folder for em343 files.
The acquisition system consists of the emi meter, an allegro cx field computer juniper systems, logan, utah, and a trimble aggps 114 lband dgps differential gps. For a greater level of confidence, t is a good idea to perform all of geonics em61 troubleshooting quality control tests before performing a geophysical investigation. Gpr ground penetrating radar surveys for engineering geophysics. During the survey, the software cheeks incoming information and alerts the surveyor. Aug 07, 2014 geonics em61 system and components for sale. Geonics technical note tn11 use of em31 inphase information j. Dec 07, 2012 what is the difference between the em31 and em38. The program creates folder data31 which is the default folder for em31 files. Geonics limited products and equipment for soil and groundwater monitoring and testing. Geonics em34 conductivity meter range sale environmental xprt. Using a patented electromagnetic inductive technique that allows measurements without electrodes or ground contact. References operating manual for em31d noncontacting terrain conductivity meter, geonics limited, 1984. Evaluation of a geonics em3rt probe to delineate hydrologic regimes in a tiledrained field.
List of geonics software manuals available for download. For automatic integration with gps, we suggest the trackmaker 31 software operating with the trimble ag114 gps. Ground conductivity and inphase measurements are read directly from the data logger screen. Cable interfacing the em31, polycorder and gps system. Two new basic lines of software exist, the trackmaker and multi multiunit software.
Geonics em31mk2 ground conductivity meter, electromagnetic geophysical instrument for geotechnical, geological and environmental applications. Electromagnetic geonics em38 geonics em38 ground conductivity meter with realtime logging. Geonics builds two types of tdem systems, the em61 and the protem receiver. Consequently, the same group of people utilize this instrument.
Terms of sale ucf surplus property is offered for sale asis whereis. The em31 program for archer is stored on dat31w cd disk. We also have have our homeoffice cleaning personnel. Geonics data acquisition and processing software provides broad functionality for data management including the collection, transfer, positioning, editing and. The geonics das70 data acquisition system was used with the em38mk2 and em31 meters to record and store both eca and gps data. The em343 comes complete with an output connector for digital data logging to a messa 2 ultrarugged windows 10 tablet. Measurements are recorded onto an messa 2 ultrarugged windows 10 tablet via rs232 or bluetooth. Here the drawbacks of the geonics em31 in terms of resolution and. For 50 years, weve developed and manufactured magnetometers. However, if you have a site where ground penetrating radar works well, the resolution and maps are some of the best. Geomatrix earth science limited em343 electromagnetic. Situations such as metal on clothing, cell phones, or loose cable connections can cause inconsistent baseline tests.
For automatic integration with gps, we suggest the trackmaker 31 software operating with the trimble ag114 gps unit. Geonics em38 continuous readings with gps and convert to utm. The data logger is readily removed from the console for easy data handling, or to hand carry during the survey. Electromagnetic geonics em 31 mkii geonics em 31 mk2 ground conductivity meter. Technical specifications of the secondhand em31mk2. Used with the geonics 3component coil, mineral surveys are quickly completed with more data in either the fixed loop or slingram mode. Ri demwaste management standard operating procedure for. Em61 operational procedures and quality control recommendations for geophysical investigations with the geonics em61mk2 and em61 navigation geonics training em61 em31 em34 em38 learn about geonics equipment. The em343 is a simpletooperate, costeffective instrument for the geologist and hydrogeologist alike. Software for instrumentspecific data acquisition and processing is included with. Grapher is used to prepare data profiles of each survey line. While any discussion about theory or application is intended to apply to most manufacturers of electromagnetic geophysical instrumentation, this site focuses on the em31, em38, em61, em34, their data. Is it known why the college is selling this item an the other similar items youve listed. Use the geonics em31 conductivity meter for contamination, saline intrusion and mineral.
Consult geonics limited regarding capabilities of the specific instrument. The em31 sh is a short version of the em31 providing an effective depth of exploration of about four metres. Equipment manufactured in the early years included surface, fixed wing and helicopter em systems, primarily for applications in natural resource exploration. Underground storage tanks and geophysics em31, em61, gpr. Secondhand em31mk2 conductivitimeters electromagnetism. Geonics limited electromagnetic geophysical instrumentation. The em38mk2 provides measurement of both the quadphase conductivity and inphase susceptibility components, within two distinct depth ranges, to a maximum effective depth of 1. Ini as well as data folder data31 are created in your field computer after the program is run for the first time.
These areas of concern can then be detailed with an electrical resistivity imaging survey. The geonics instruments operate by energizing a transmitter coil, on or near. Geonics version dat data acquisition and processing software. Detecting and mapping graves with ground penetrating radar is a very difficult task. Geophysical equipment for engineers, geologists, and. With its 23 bit resolution, system bandwidth of 500khz, microsecond sampling gates and simultaneous xyz component measurements, the protem receiver provides the ultimate in time domain capability. Turn on the em31 and set the knob to battery, to read the voltage. Electrical resistivity imagingagi supersting and geometrics. The em61mk2, an enhanced version of the patented em61, is a time domain metal detector which detects both ferrous and nonferrous objects with excellent spatial resolution. Geomatrix earth science ltd is pleased to announce that geonics ltd is offering a 10% discount off the em34 conductivity meter range until the th of february 2015 the em343 is a fast, simple to operate, costeffective instrument for the engineering geophysicist, geologist and hydro geologist alike and has been particularly successful for mapping deeper groundwater contaminant plumes and. Geomatrix earth science limited protem electromagnetic. Find underground storage tanks geophysical services using geonics em31, em61, gpr, magnetometers, electrical resistivity, masw, and line locators. Sep 01, 2006 read calibrating and using an em31 electromagnetic induction meter to estimate and map soil salinity in the jarrah and karri forests of southwestern australia, forest ecology and management on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Electromagnetic survey of the k1070a burial ground at. Evaluation of a geonics em31 3rt probe to delineate hydrologic regimes in a tiledrained field. The instrument has an effective depth of penetration, or skindepth, of approximately 1. With the logging system, the meters are keypad operated and measurements can either be automatically or manually triggered. Manual on geonics manual on geonics geonics geonics manual. This unit looks to be in great shape but is used and being sold as is. Rent geonics em31 em61 em34 em38 protem em31 em61 em. Convert to utm geonics em38 continuous readings gps. The em31 mk2 is a reconfigured version of the standard em31 with a data logger. Loading multiple cad files into topcon magnet field software duration. Like the em38, the em31 is sensitive to buried metal. Target response is a single, sharply defined peak, facilitating quick and accurate location. Em31mk2, em31sh, rt modified em31, and em31 analog.
The em31 and em38 are used for different applications because of the difference in intercoil spacing, which affects the effective depth of exploration. Like other geonics instruments such as em61, em38 and em34, and em instruments from other manufactures, em31 does suffer from noise issues because of utility lines, especially power lines. A time domain metal detector which detects both ferrous and nonferrous objects with excellent spatial resolution, perfectly suited to brown field site mitigation or locating unexploded ordinance. The emp400 profiler by gssi is a powerful em research tool for archeological, geological, agricultural, groundwater and site assessment investigations. The gps31 can coexist in the polycorder together with the geonics standard.
Instrumentation and software is available in the following product categories. The data acquisition software supplied by geonics ltd spatially locates each measurement with a gps position. Geonics data acquisition and data processing programs for download listed by instruments. Using the same inductive method as the em31 mk2, the em343 uses three intercoil spacings 10, 20 and 40 m to. Geonics em31 3rt and modeling software emigma to delineate hydrological regimes at field. Choosing the correct methodology and equipment to match the environment and ground conditions is the key to successful results from geophysical investigations. Graph of apparent conductivity along test line 1 for em31d and em343 in vertical. The em31 mk2 is an updated version of the standard em31 with the data logger now incorporated into the control console.
What is the maximum exploration depth of geonics equipment. Egs can assist the clients technical team in selecting the appropriate techniques and ensuring a successful solution. The em61 is a time domain metal detector used exclusively for that purpose e. Em31 mk2 uses electromagnetic inductive technique that facilitates conductivity measurements without needing to be in contact with the ground. Common applications include the detection and delineation of groundwater. Surfer is used to construct plan views of em data for the entire field survey area. The geonics das70 data acquisition system was used to record and store both emi and gps data. Incorporated in 1962, geonics originated with the development of the patented em16 vlf receiver, which became an exploration industry standard for ground vlf instrumentation. The included minirec software helps organize and store this data for longterm reference, making it easily accessible in the event of an audit. Have you performed all of geonics quality control tests. Em343 the em343 is a fast, simple to operate, costeffective instrument for the engineering geophysicist, geologist and hydrogeologist alike and has been particularly successful for mapping deeper groundwater contaminant plumes and for groundwater exploration.
The geonics em31 data logging system das70cx consists of a field computer allegro cx. Em31 mk2 the em31 mk2 is an updated version of the standard em31 with the data logger now incorporated into the control console. Geonics em3rt and modeling software emigma to delineate hydrological regimes at field. Emigma is a geophysics interpretation software platform developed by petros eikon incorporated for data processing, simulation, inversion and imaging as well as other associated tasks. Troll 700 insitu water monitoring equipment instrument. The instrument can be rotated to collect data in either the horizontal or vertical dipole mode. Geonics em31mk2 calibration and zeroing procedure youtube. The em38mk2 is supplied with data acquisition software call data38mk2, alternative there are a number of other software packages which support the em38mk2, which include geomar nav38mk2, rtmap38mk2 and trimble. The em31 has an effective penetration depth of about 6 m, is portable, and measurements may be taken continuously at walking speed while being carried above ground mcneill, 1980.
Geonics em34 conductivity meter exploration instruments. For any one measurement, the standard em38 provides measurements of either the quadphase conductivity or inphase magnetic susceptibility component data, as selected by the operator. A canadianowned company located in mississauga, ontario, geonics limited is a world leader in the design, manufacture and service of electromagnetic em geophysical instrumentation. With this inductive method, surveys can be carried out under most geologic conditions. Geonics em31 only shows negative conductivity values.
Since it has a depth of investigation that is much greater than the em38 or em31, one may find it is not very helpful for locating buried metal. Calibrating and using an em31 electromagnetic induction meter. Computer field computer allegro cx installed ms activesync software version 3. Electromagnetic geonics em31 geonics em31 ground conductivity meter. Geonics em38 ground conductivity meter with realtime. Rapid acquisition of spatially dense data sets is usually the most important requirement. Unpublished usgs computer software was used to process the stored post. United states natural resources 11 campus boulevard. The most commonly used em instruments for environmental investigations are the geonics em31 and em61. Geonics em38 ground conductivity meter with realtime logging. When performing the static background test, why does the em61 response vary so much. Activesync software and usb or serial cable provided by manufacturer.
Geonics electromagnetometer em343 gecodmc geophysical. Interbuild far east hk ltd we are a group of companies of swedish origin, that since 1995 has been engaged in the design, development, sourcing and sales of an extensive range of garden furniture, decking and deck tiles, indoor furniture, solid wood kitchen worktops, stair and diy panels. The software focuses on nonseismic applications and operates only on the windows operating system. The receiver needs to be paired up with one of the time domain transmitters em47, em57, or em67. Rent geonics em31 em61 em34 em38 and protem systems for engineers geophysicists geologists archaeologists and agriculture. However, data logging devices such as the juniper archer are available as an optional rental item. Em31 mk2 field procedure for zeroing and calibrating. In my opinion, no one geophysical method is the answer. Jan 12, 2016 for geonics em31, em31mk2, em343, em61mk2, etc. The minidose has an onboard memory capable of storing more than 4,000 data points, which can be downloaded to a computer or other device via a standard mini usb cable.
Qaqc qaqc procedures are detailed in the operating manual referenced below. Geomatrix earth science limited em61mk2 electromagnetic. The em31 mk2 is an updated version of the standard em31 with the data logger now incorporated into the. Materials sold by the ucf surplus unit are sold without warranty, whether expressed or implied, and without guarantee of merchantability for any particular use or purpose. The em38 is excellent for determining soil salinity and can cover large areas quickly without needing grounded electrodes. A compatible digital output signal is a standard feature of the em31 mk2 and. Geonics em31 mk2 the program will work with the em31 mk2 and em31 with digital output module. The em31 can be used without a data logger however, data logging devices such as the juniper archer are available as an optional renta.
Summary of companies who manufacture geophysical instruments. Geonics over 25 years in roofing, tear offs new roofs. Sep 09, 2015 geophysics for military construction projects 1. The em31 mk2 maps geologic variations, groundwater contaminants, or any subsurface feature associated with changes in ground conductivity. As such, and when deeper investigations are required, deeper measuring instruments need to be considered. Geonics em31mk2 ground conductivity meter geonics limited. Geonics data acquisition and processing software provides broad functionality for data management including the collection, transfer, positioning, editing and presentation of recorded data. Geonics em31 is a electromagnetic ground conductivity geophysical instrument for environmental surveys. Erdctr109 installation technology transfer program geophysics for military construction projects engineerresearchand developmentcenter kevin l. Geonics manual em 16 application of electromagnetic techniques in survey of rent geonics em31 em61 em34 em38 and protem systems for engineers geophysicists land geophysical equipment electromagnetic geonics em31 mk2.
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