Instrument characteristics 1. Fast speed and high efficiency: unlike conventional electrical measurement, the measurement speed is fast, and a large number of profile measurement work can be completed every working day. 2, easy to carry: This instrument uses the earth electromagnetic field as the source of the work field, does not require a cumbersome manual power supply device, the whole set of instruments does not weigh more than 2 kg, it is very convenient to carry. 3. Simple operation: The instrument is fully automatic controlled by the microcomputer, and all measurement operations can be completed with the click of a button. 4. Strong anti-interference ability: After the signal is selected by the instrument and digitally processed, even in the urban roads with constant traffic and strong interference, the abnormal curve with good repeatability can be observed. 5. Adopt multi-azimuth, multi-frequency, multi-device and multi-parameter measurement methods to obtain various anomaly maps, solve problems such as location, orientation, thickness and depth of geological bodies, improve the success rate of water prospecting and reduce investment. risk. Instrument parameters 1. Exploration depth: 400 meters 2. Measurement parameters: electric field component ΔV(mV) of different frequencies of the earth electromagnetic field 3, measuring voltage range: 0.001mV ~ 200mV (automatic conversion range) 4, measuring frequency range: 20-2000Hz 5, input impedance: ≥ 10MΩ 6, measurement resolution: 0.001mV 7, display: 4-digit LCD digital tube 8, power: built-in rechargeable lithium battery 7.4V5.2AH 9, power consumption: 100mA continuous work ≥ 50H 10, working environment: temperature: -10 ° C ~ +45 ° C relative humidity: ≤ 85% 11, the whole machine weight: 2Kg volume: 26CM × 12CM × 17CM Application range 1. Looking for water: It is widely used in cities, mountains and plains to quickly find and evaluate different types of groundwater. Determine the well location, the amount of water dissolved in a single well, the number of layers in the aquifer, and the depth of each layer. 2. Prospecting: It is used to quickly find various types of mineral deposits. Determine the position, orientation, length, width of the ore body, the number of layers of the ore body and the burial depth of each layer, and estimate the grade of the ore body. 3, to solve the problem of engineering geology and geologic hazards: look for the causes of different caves, archaeological work is applied to determine the location of Gob Coal and depth, to determine the mine water inrush point position, ahead of forecast coal mining tunnels or water or sudden collapse.
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