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WDA-1
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Product Description
2/3D Resistivity&IP Meter Resistivity Measuring Induced Polarization Geophysics Electrode Resistivity Instrument
WDA-1 Multi-Function DC Resistivity & IP Geophysical Instrument/ Geophysical Resistivity Meter Electrical Resistance Tomography/Ground Water Detection is new designed with most advanced circuit design to improve the accuracy and stability, which could use four poles to detect depth, intermediate gradient, combined profile, five poles, three poles etc. methods to measure VP,IP, SP, RO, M, TH... parameters. It is widely used in detection of mines, water, engineering, environment protection, electrical fields...
Maximum transmitting powe | 7200W |
Maximum supply voltage | 1200V (with WDZJ-3, no more than 450V) |
Maximum supply current | 6A (with WDZJ-3, no more than 2.5A) |
Transmitting power pulse width | 1~60s, duty cycle is 1:1 |
Voltage | ±32V (24 bit A/D). If Vp≥5mV, accuracy is ±0.2% ±1LSB If0.1mV≤Vp<5mV, accuracy is ±1% ±1LSB. |
Apparent polarizability accuracy | ±1%±1LSB |
SP compensation range | ±10V |
Current | 6A (24bit A/D). If Ip≥5mA, accuracy is ±0.2% ±1LSB. If 0.1mA≤Ip<5mA, accuracy is ±1% ±1LSB. |
Suppression | for 50Hz industrial frequency interference (common mode and differential mode interference), suppression is more than 80dB. |
Power supply | internal 7.4V 4Ah rechargeable battery continuously lasts for 20 hours (or 12V external power supply). |
Ports support (transmitting unit) | A, B, M and N connecting ports, DC high voltage input ports and external battery terminals, 2 cable ports, RS-232, Bluetooth. |
Working temperature | -10℃~+50℃, 95%RH |
Storage temperature | -20℃~+60℃ |
Weight | ≤4kg |
Dimension | 270mmx246mmx123mm |
Internal power source | maximum voltage 96V (two notches, 48V and 96V); maximum current is 0.7A. |
●Unique and open measuring process control
●Measuring various parameters, wide application
●High power supply, wide current range, high accuracy
●Bluetooth technology facilitating wireless remote control
●extending data storage capacity and collection software functions
●Energy resource
●City geophysical exploration
●Railway and bridge prospecting
●Metal and non-metal mineral resources prospecting
●City geophysical exploration
●Hydrology and engineering geology to inspect base of dam
●Flood protection levee for incipient faults
