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qualities of a good terrameter

Technical characteristics of the DETECTOR DUO 250/700MHz system Year : 2010; Good condition; Saving data on computer; Real time display of 2 acquisition channels

Terrameter LS is a world leading resistivity-IP instrument that offers high quality data. The instrument can be used for several applications and Induced Polarization is one of its many strong competences where its wide dynamic range provides superior results.

Resistivity, which uses current to measure the resistivity of the subsurface, was used during this project. Resistivity was measured through an ABEM SAS 4000 Terrameter by using a Wenner-Schlumberger array. 2 resistivity lines were executed by using a 1.5m spacing of electrode.

Twelve vertical electric soundings (VES) were carried out using the Schlumberger configuration with a maximum current electrode separation of 350 m using Abem Terrameter SAS 1000 AB in Issele Uku, Delta State, Nigeria, to determine the aquifer characterization of the area. The field data were analyzed by curve matching and computer iteration, and hydraulic characteristics of the aquifer were ...

The terrameter is powered by a 12-V dc battery. Current electrodes separation was increased at intervals during the soundings, while the potential electrodes separation was kept relatively fixed. The four electrodes used were arranged in a straight line with respect to the centre and were fixed deep into the ground to ensure good electrical ...

characteristics for the Terrameter LS (ABEM(a), 2012) and the WalkTEM (ABEM(b), 2014) are outlined below in sections 2.3.1 and 2.3.2 respectively. 2.3.1. Terrameter LS waveform characteristics The transmitter waveform of theTerrameter LSwasin theform of a

Instruction Manual. abem terrameter sas 1000 / sas 4000 - ii - 3.4.4 induced polarization surveys 22 3.5 acquisition timer 23 4 power supply 24 4.1 battery pack 24 safety precautions 24 4.2 external 12 v battery adapter 25 5 electrodes and cables 26 5.1 electrodes 26 5.1.1 steel electrodes 26 5.1.2 non-polarisable electrodes 26 5.1.3 important remarks concerning current electrodes 27

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Assessing the geo-electric characteristics of Basement Complex rocks and its implication for groundwater prospecting in Ilorin Metropolis, Nigeria ... 53 locations conducted with ABEM SAS-1000 terrameter using ... makes good aquifer units. It is important to note that the concealed basement

aquifer characteristics in Eket area of Akwa Ibom state of Nigeria. In Eket, Akwa Ibom State (Figure 1), bore holes are drilled by mini companies whose personnel do not keep careful records of the depths at which water (aquifer) was obtained over time. In this study, eight electrical resistivity soundings using ABEM Terrameter SAS 1000 were

Terrameter LS is a world leading resistivity-IP instrument that offers high quality data. The instrument can be used for several applications and mineral prospecting is one of its many strong competences where its wide dynamic range provides superior results.

qualities of a good terrameter Geophysical Characterization of Basement Rocks and ... The migmatite (gneissic quartzite) is mostly widespread in the basement complex of south-western Nigeria which comprises of gneisses, quartzite, cal-silicate rocks, biotic (hornblende schist) and amphibolites.The slightly migmatised to unmigmatised paraschist ...

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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.

the homogenous terrain, with total drilled depth ranging between 30 to 35 meters, with a good yield, while a lot ... geo-hydrological characteristics. This is particularly important in view of the discontinuous (localized) nature of ... Terrameter SAS 4000 to investigate the groundwater potential of the area, involving the Wenner electrode ...

ABEM Terrameter LS 2 is a state-of-the-art data acquisition system for self potential (SP), resistivity (RES) and time-domain induced polarization (IP). The instrument is delivered with everything that is needed for multi-electrode geoelectrical imaging except multi-electrode imaging cables and electrodes. ...

determining groundwater potentials and aquifer characteristics of the study area. During the study, the half current electrode separation (AB/2) ranged from 1.0 to 100mwhile the half potential electrode spread (MN/2) varied from 0.2 to 8.0 metres. A total of thirty-two (32) soundings were conducted using Alied Ohmega Terrameter.

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For example, since water is a good conductor, a formation with high resistivity is very unlikely to be an aquifer, as it probably contains virtually no water trapped in isolated pores and a formation with extremely low resistivity may well be an aquifer since its conductivity would be high.

Characteristics of Aquifer Systems in Kwa-Ibo River Watershed, Abia State, Nigeria ... generated from VES stations with some lithologs gave a good geological description of ... from the terrameter and is used to compute the corresponding apparent resistivity in Ohm- ...

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Data acquisition has been performed with ABEM Terrameter SAS-1000, four steel electrodes, and a backup 12-V battery. The Terrameter SAS-1000 can be operated in three surveying modes i.e ...

ABEM Terrameter LS 2 1.2 The Delivered Instrument Use great care when unpacking the instrument. Check the contents of the box or crate against the packing list. Figure 2 shows the parts that are shipped with a Terrameter LS for basic imaging. Terrameter LS basic unit 4 channel, 250 W Transport Crate CCC Battery Charger 100-230 V USB Cable for

Tantalite exploration field, ijero Local Government, Ekiti State, Nigeria, using the OHMEGA terrameter. The objectives of the study were to investigate the aquifer characteristics and groundwater potential of the subsurface formations. Ten profiles were carried out using the schlumberger array configuration. The data was interpreted

Main Features of Geophysical Resistivity Terrameter for Ground Water Detector. 1. Transmitting unit and receiving unit are of all-in-one design, portable and lightweight. 2. Super high-power, high anti-interference performance and precision: up to 6600w (1100v×6A) power, 48Vp-p voltage range ensures to get a good result in a area with high ...

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characteristics within the study area using Schlumberger configuration. The results from the present study would ... equipment for this study is the ABEM Terrameter (SAS 1000) which displays apparent resistivity ... A good contact between the ground and the electrode was ensured by hammering the

Consequently, it is a good potential technique for the study of alteration zones in hard rocks, electrical resistivity in rocks influenced by differing weathering degrees. Schlumberger array system was used to perform the resistivity survey. "ABEM SAS 1000 Terrameter" was the device used for performing Vertical Electrical Sounding (VES).

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