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| Categories | Geophysical Exploration Instrument | 
|---|---|
| Brand Name: | Gold | 
| Model Number: | WGMD-3 | 
| Place of Origin: | Chongqing, China | 
| MOQ: | 1 set | 
| Price: | Negotiated | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 1 set per 5 days | 
| Delivery Time: | 5-8 working days | 
| Packaging Details: | Carton | 
| Product Name: | Geophysical Exploration Instrument | 
| Other Name: | Underground Water Detector | 
| Maximum Transmitting Power: | 5 /10 /15KW | 
| Maximum Power Supply Voltage: | ± 1000 V | 
| Maximum Power Supply Current: | 5/10/15A | 
| Power Supply Pulse Width: | 1~60 sec. | 
| Output Waveform: | Bipolar waveform, Duty Cycle 1:1 | 
| Current Storage Time Interval: | Programmable | 
| Company Info. | 
| Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Multi-Channel Electrical Geophysical Exploration Instrument For Underground Detection
Introduction
What is the geophysical exploration?
There are many methods of geophysical exploration. Electrical geophysical exploration is a very important and commonly used measurement method.
The method of understanding the rock condition of underground strata by observing the difference in the electrical conductivity of different rocks is called electrical geophysical exploration. Sedimentary rocks associated with oil and gas tend to have good electrical conductivity (low electrical resistivity). Electrical prospecting can be used to find and identify such strata. Electrical prospecting is an important prospecting method in geophysical exploration.
Application
It can be conveniently used with domestic common high density electrical processing software to make the interpretation more convenient and straight view. The system can be widely used in energy exploration, urban geophysical exploration, railway and bridge exploration, metal and non-metal exploration,mineral resources exploration and other aspects, also used to find groundwater, to determine the dam foundation and flood control levees hidden danger location in hydrology and engineering geology exploration, it can also be used in geothermal exploration.
The system takes WDJD-3A multifunctional digital DC geophysical exploratioon instrument as the measurement and control host, which can be selected by: WDZJ-4, WDZJ-120 multi-channel electrode converter, centralized high-density cable, electrode, to achieve centralized 2D resistivity measurement.
Technical specification
| Receiving part | |
| Voltage channel: | ±6V | 
| Measurement accuracy: | Vp≥10mV时,±0.5% ±1 character Vp< 10mV时,±1% ±1 character | 
| Input resistance: | > 50 MΩ | 
| Apparent polarizability measurement accuracy: | ±1% ±1character | 
| Sp compensation range: | ±1V . | 
| Current channel: | 5A | 
| Measurement accuracy: | Ip≥ 10mA时,±0.5% ±1character Ip< 10mA时,±1% ±1character | 
| The suppression of 50Hz power frequency interference (common mode interference and differential mode interference) is better than 80dB | |
| Launch part | |
| Maximum transmit power: | 4500W | 
| Maximum supply voltage: | ±900V | 
| Maximum supply current: | ±5A | 
| Power supply pulse width: | 1~60 seconds, the duty ratio is 1:1 | 
| Other | |
| Operating temperature: | -10°C~ +50°C, 95%RH | 
| Storage temperature: | -20°C~ +60°C | 
| Instrument power supply: | No. 1 battery (or nickel-cadmium battery of the same specification) 8 pieces | 
| Current current: | ≤55mA | 
| Weight: | ≤7KG | 
| Volume: | 310mm*210mm*210mm | 
| WDZJ-3 multi-channel electrode converter | |
| Converting the number of electrodes: | 60 road | 
| Insulation properties: | ≥500 MΩ | 
| Maximum working voltage: | 450 VDC | 
| Maximum operating current: | 2.5 ADC | 
| Instrument power supply: | No. 1 battery (or nickel-cadmium battery with the same specification) 8 pieces | 
| Operating temperature: | -10°C~ +50°C | 




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