WDJD-4A Geophysical Resistivity Meter with 0-500m Prospecting Depth and Multi-electrode 2D Resistivity Imaging for High Accuracy Surveys
Price:
Negotiated
MOQ:
1 set
Delivery Time:
5-8 work days
Brand:
GOLD
Product Description
Multifunctional Digital DC Instrument For Gold Mine Exploration
WDJD-4A Multiple Function DC Resistivity/IP Meter
The WDJD-4A Multi-Function Digital DC Resistivity/IP Meter builds upon the WDJD-3A model to meet modern user requirements. This advanced instrument features multiple functions, high accuracy, fast operation, exceptional reliability, and excellent expandability. Collected data can be processed by multi-electrode resistivity software for convenient interpretation.
Key Capabilities
- Conducts general electrical resistivity/IP surveys as standalone unit
- When paired with WDZJ-4 multiplex electrode switcher, performs multi-electrode 2D resistivity imaging
- Compatible with various professional resistivity interpretation software
Measurement Configurations
1D Electrical Resistivity Survey
- System includes WDJD-4A mainframe, electrodes, and transmitting power source
- Positive pole (red) connects to "DC HV +" terminal (red)
- Negative pole (black) connects to "DC HV -" terminal (black)
- Electrodes A/B connect to respective terminals, potential electrodes M/N to connecting terminals
1D Induced Polarization (IP) Survey
- System includes WDJD-4A mainframe, electrodes, solid non-polarized electrodes, and transmitting power source
- Positive pole (red) connects to "DC HV +" terminal (red)
- Negative pole (black) connects to "DC HV -" terminal (black)
- Electrodes A/B connect to respective terminals
- Solid non-polarized electrodes M/N connect to respective terminals
Industry Applications & Performance
| Industry Application | Performance Metric |
|---|---|
| Geotechnical Resolution | 0.5m target detection at 30m depth |
| Mineral Detection | 2% sulfide content identification |
| Environmental Sensitivity | 10ppm contamination threshold |
| Infrastructure Penetration | 50m through reinforced concrete |
| Research Accuracy | Peer-review ready data quality |
Technical Specifications
Receiving Part
| Voltage precision | ±24V, ±0.4% ±1LSB, 24 bit A/D |
| Input impedance | ≥50MΩ |
| Apparent polarizability precision | ±1% ±1LSB |
| SP compensation range | ±10V |
| Current channel | 6A, ±0.4% ±1LSB, 24 bit A/D |
| Resolution | Voltage: 0.1 micro volt, Current: 0.2 micro ampere |
| Suppression | ≥80dB for 50Hz industrial frequency |
Transmitter Part
| Maximum power | General Res/IP: 6600W Multi-electrode Res imaging: 1125W Res cable: 1350W IP cable: 2400W |
| Maximum supply voltage | General Res/IP: ±1100V Multi-electrode: 450V DC |
| Maximum supply current | General Res/IP: ±6A Multi-electrode: 2.5A DC |
| Pulse width | 1~60s, duty rate 1:1 |
General Specifications
| Display | 160*160 dot matrix LCD |
| Storage | ≤1GB |
| Working temperature | -10℃~+50℃, 95% RH |
| Storage temperature | -20℃~+60℃ |
| Instrument power | Internal 12V 9Ah rechargeable battery (30 hours) or 12V external power |
| Weight | ≤4.4kg |
| Dimensions | 270mm * 246mm * 175mm |
Our Service:
- 1-year warranty covering mechanical failures or faults caused by design, technology, or materials
- Free technical assistance beyond warranty period (parts at cost price)
- Phone support within 2 hours for quality-related failures, with online video support available
- Experienced engineers available for installation and debugging
- Free training, installation, and debugging service in China; overseas service available (customer covers travel costs)
- Regular follow-up service to collect customer feedback
Shipping and Delivery
Certifications
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
Location
1F Technical Building, Longxin Industrial Park, Nan'an District, Chongqing China
Contact Person
Michelle