1.Geothermal prospecting with vertical electric sounding resistivity
2.Metal and nonmetal mineral resources detection
3.City geophysical exploration, railway and bridge inspection and so on
4.Hydrology and engineering geology as seeking for ground water, inspecting dam base and flood protection levee for incipient faults
Features for WDDS-2 Resistivity Meter
In 1D Vertical Electrical Sounding survey, WDDS-2 resistivity meter power can up to 3500W of power supply,can be emitted to allow excited pulse signals to reach deeper strata. Prior to field testing, measurement array configurations and the electrode scanning parameters can be in putted into the monitoring host, thus reducing the time spent in field to enter the survey parameters and increase survey productivity.
With built-in 12V lithum battery( also support external 12v battery), that's can support 20 hours continously work at field when detecting underground water
Able to store measuring data for more than 150,000 times, including voltage, current, resistivity, relative error, SP, array constant, measuring point and so on.
Voltage：+-24V，+-0.5% 1bit，24bit A/D
Maximum voltage sampling resolution：0.01μV
SP compensation range：+-10V
Current：3.5A，+-0.5% +-1bit，24bit A/D
Maximum current sampling resolution：0.02μA
50Hz power frequency interference suppressing better than 80dB
Maximum transmitting power：3500W
Maximum supply voltage：+-1000V（2000Vp-p） Maximum supply current：+-3.5A（7Ap-p）
Power supply pulse waveform：duty ratio: 1:1 bipolar
Storage capacity: 1GB (expandable)
Power supply: Internal battery (external 12V), provides continuous working hours more than 20 hours.
Main machine interface: A,B,M,N. HV DC, external power supply and charging port, RS-232 and USB port.
Weight: ≤4.2kg（WDDS-2）≤5.5kg （WDDS-2B）
Working temperature: -10℃～+50℃，95％RH Storing temperature: -20℃～+60℃
Internal high power battery (only WDDS-2B): Maximum working power 200V.