CQ Gold ME
gnss rtk,gnss rtk gps,gnss rtk survey,gnss rtk system,dth drilling, Manufacturer and Supplier - China(CN)
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Multiplex Electrode 2D Underground Resistivity Survey System
1. Water resources, metal and nonmetal mineral resources detection
2. City geophysical exploration, railway and bridge inspection
3. Hydrology and engineering geology as inspecting dam base and flood protection levee for incipient faults
4. Geothermal prospecting
1. 1D resistivity sounding
2. 1D induced polarization sounding
3. 2D Electrical resistance tomographic
Multiple function in one machine: the High-accuracy multi-electrode resistivity detecting system has four functions including long lead IP instrument, 2D high density resistivity meter 2D high density IP instrument and medium-power short lead transmitter.
Easy for operation: the instrument adopts all-digital automatic measurement, thus can execute automatic compensation for spontaneous potential, drift and electrode polarization.
By adopting large screen LCD display in English characters, more than fourteen types of wiring working modes can be directly displayed in high-density measurement mode; in DZD-6A stand-along mode, nine types of electrode arranging methods can be directly displayed; meanwhile, real-time curve display can be realized during working.
DZD-6A survey & control unit
Measuring voltage range: -6000mV~+6000mV Measuring voltage resolution: 0.01mV
Measuring voltage accuracy: (at Vp>10mV)±5%, ±1 digit; (at Vp>10mV)±1%, ±1 digit
Measured apparent polarizability accuracy: ±1%, ±1 digit
Measuring current range: 0~5000mA Measuring current resolution: 0.01mA
Measuring current accuracy: (at Ip>10mA)±5%, ±1 digit; (at Ip>10mA)±1%, ±1 digit
Input impedance: >50M ohm
Interference suppression on 50Hz power frequency: better than 80dB
Maximum power supply voltage: 900V Maximum power supply current: 5A
Power pulse width: 1-6 seconds, duty cycle 1:1
Working temperature: -10C Celcius ~ +50C Celcius, 95Rh
Weight: 8 kg
DUK-2A multiplex electrode converter
Conversion electrodes: 60 channels or 120 channels
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: 500M ohm
Working temperature: -10C Celcius ~ +50C Celcius
Weight: 7kg (60 channels)/ 7.5kg (120 channels)
Volume: 305*200*202mm (60 channels)/ 324*200*245mm (120 channels)
One DZD-6A multi-functional DC resistivity instrument as the survey & control unit in the system, equipped with DUK-2A type 60 channels or 120 channels multiplex electrode converter, cables, electrodes and other related accessories, together to form the High-accuracy multi-electrode resistivity detecting system .
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