Geophysical Equipment for Groundwater Detection

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Geophysical Equipment for Groundwater Detection
Posting date : Mar 10, 2014
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Free Member Scince Jun 25, 2013
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84-
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Geological Engineering and Geophysics Surveying Equipment I. Main Characteristic: 1. By utilizing the apparent resistivity parameters, it is widely used in hydrology, environmental protection, engineering geophysical exploration, metal and non-metal mineral resources exploration. 2. Easily can observe the apparent resistivity and apparent polarizability at the same time. 3. Measurement and control host can work standalone and it has all the functions of DZD-6A multi-functional direct current instrument. 1. DZD-6A Measuring unit Model & Name: DZD-6A Multi-functional Direct Current(Induced polarization )Instrument Max. Power Supply Voltage: 900V Max. Power Supply Current: 5A Voltage Measuring Range: ±6000mV Voltage Measuring Accuracy: (Vp>10mV) ±5%, ±1 digit; (Vp<10mV) ±1%, ±1 digit Current Measuring Range: 0~5000mA Measuring Current Resolution: 0.01mA Current Measuring Accuracy: Ip>10mA) ±5%, ±1 digit; (Ip<10mA) ±1%, ± 1 digit Interference Suppression on 50Hz Power Frequency Better than 80dB Measured Apparent Polarizability Accuracy: ±1%, ±1 digit Instrument Input Impedance: ≥50MΩ Power Supply Pulse Width: 1~60s Operating Temperature: -10°C~50°C, 95%Rh Size: 305×200×202m 2. DUK-2A Multiplex Electrode Converter Model & Name: DUK-2A Multi-electrode Converter Conversion Electrodes: 60 channels or 120 channels Supported manual configuration: 1, Schlumberger 2, Dipole-Dipole, Combined Profiles, Differential, Pole-Pole, Triple-Pole Rolling, Operating Mode: 16-key keypad with 90 character LCD display combines to form man-machine dialogue operation. Maximum Allowable Current: 2A Maximum Withstand Voltage: 500V DC Insulating Property: 500MΩ Electroshock Break-over Resistance: smaller than 0.1Ω Power Consumption 50 mA (Standby) Power Supply: 1# Dry Cell (or rechargeable battery with the same specification) 8pcs. Weight: 7 kg (60 channels), 7.5kg (120 channels) Operating Temperature: -10°C~50°C, 95%Rh Size: 305×200×202mm (60 channels) 324×200×245mm (120 channels)

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