Geographic Resistivity Surveying Instrument, Electrical Resistivity Tomography Equipment, Ground Wat

Geographic Surveying Instrument,Resistivity Imaging, Geo Tomography, Electric Resistivity Tomograph,Ground Water Detector, Underground Water Detection for Sale
Main Applications
This Geographic Surveying Instrumentcan be used in energy exploration and civil geophysical prospecting, railway and bridge survey, mental and non-mental mineral survey. It can also be used in hydro- and engineering geology survey, such as underground water, water reservoir dam site, flood control dam hidden trouble detection, and geothermic field survey.
Main Features.normal DC resistivity and IP measurement.2-D multi-electrode resistivity Imaging3-D multi-electrode resistivity imaging
Technical Specifications
ReceiverVoltage channel:±6V
Survey accuracy: if Vp≥10 mV then ± 5‰ ± 1 LSB, if Vp < 10 mV, then ±1% ± 1 LSBCurrent: 5A
Survey precision: if IP≥ 10mA then ± 5‰ ± 1 LSB, if IP < 10 mA, then ±1% ± 1 LSBapparent resistivity measurement accuracy: ±1% ±1 LSBdepression is more than 80dB for 50Hz industrial interference (common mode or different mode interference)input impedance: ≥50MΩ
Transmittermaximum supply voltage: 900V(800V for distributed multi-electrode resistivity )maximum supply current: 5A
Geographic Resistivity Surveying Instrument, Electrical Resistivity Tomography Equipment, Ground Water Detector, Underground Water Detection