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China, Chinese Geophysical Resistivity Imaging System Wenner Schlumberger Electric Resistivity Survey Meter 2D Geological Profiling 3D Electric Resistivity Imaging System1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Geographic Surveying InstrumentOther Geographic Surveying InstrumentsElectrical Resistivity Tomography EquipmentResistivity Meter
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
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Product Description Geophysical Resistivity Imaging System Wenner Schlumberger Electric Resistivity Survey Meter 2D Geological Profiling 3D Electric Resistivity Imaging SystemIt is to determine the distribution range, buried depth, and electrical conductivity of the underground electrical anomalous object by observing and studying the distribution rules of the underground current field artificially established. Since it electrical method injects fast pulse current into the ground and superimposes the observation of the underground current field distribution, its observation accuracy and resolution are extremely high.Features:(1) The electrode layout is completed at one time, which not only reduces the failure and interference caused by the electrode setting, but also lays the foundation for the rapid and automatic measurement of field data;(2) Effectively carry out scanning measurement of multiple electrode arrangements, so that a wealth of geological information about the structure characteristics of the geoelectric section can be obtained;(3) Field data collection is automated or semi-automated, which not only has a fast collection speed (about 2-5s per measurement point), but also avoids errors due to manual operation;(4) Some instruments can preprocess the data and display the profile curve shape. After offline processing, it can also automatically draw and print various results;(5) Compared with the traditional resistivity method, it has low cost, high efficiency, rich information, and convenient interpretation. Exploration capacity has been significantly improved.Case:It is to the detection of goafs, high-density electrical methods have been carried out in the Dabaoshan mine and Nanxiongjiangtouying mine in Guangdong Province. The theoretical basis to ensure the safety of mine production and personnel. Maximum power7200W(VES),2400W(Imaging) Maximum voltage1200V(VES),2400 peak-to-peak; 800V(Imaging), 1600 peak-to-peak Maximum current6A(VES), 3A(Imaging) Power supply pulse width1~60s, duty cycle is 1:1Receiving Voltage± 32V (24 bit A/D) Vp accuracy(before stacking)If Vp≥5mV, ±0.2% ±1LSB. If 0.1mV≤ Vp<5mV, ±1%±1LSB. Current6A (24bit A/D) Ip accuracy(before stacking)If Ip≥ 5mA, ± 0.2% ±1LSB;If 0.1mA≤ Ip<5mA, then ± 1% ±1LSB.. Apparent Polarizability Accuracy±1% ±1LSB Suppression≥80dB, for 50Hz or 60Hz (industrial frequency interference) either in common mode or differential mode interference Input impedance>50MΩ SP compensation range± 10V
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