Wireless Remote Control Resistivity Meter with 7200W Maximum Power and 24-bit A/D Geophysical Exploration Instrument
Our newly developed Wireless Resistivity Meter combines years of research and production experience with advanced electronic technologies including all-Chinese pocket PC interface, Bluetooth connectivity, 24-bit A/D conversion, and large power control. This compact, lightweight instrument offers superior technical specifications and functionality compared to similar domestic and international models, making it ideal for complex geological environments.
This versatile equipment is widely used in:
- Metal and non-metal mineral prospecting
- Civil engineering surveys
- Railway and bridge construction
- Underground water detection
- Reservoir dam foundation analysis
- Jetty structural integrity assessment
- Geothermal exploration
The WDA-1 Super Digital DC Electrical Instrument utilizes DC electrical exploration technology to establish stable underground electric fields, analyzing their distribution patterns to reveal geological structures and mineral resources.
Generates and outputs DC high-voltage power for electrodes, featuring:
- Built-in lithium battery or external DC power options
- Comprehensive protection against overvoltage, overcurrent, and open circuits
- Stable operation in complex environments
Measures potential differences and current changes with:
- Instantaneous overvoltage input protection
- High-precision data collection for resistivity analysis
Advanced real-time acquisition converts measurements into geophysical parameters including:
- Apparent resistivity
- Natural potential
- Apparent polarizability
Automatic compensation for natural potential, drift, and electrode polarization enhances measurement accuracy.
Features intuitive operation through:
- Full Chinese handheld computer interface
- Bluetooth wireless remote control
- Tablet-compatible parameter setting and results display
- Built-in diagnostic programs for maintenance
- High Accuracy: Advanced circuit design with microcontroller control, automatic noise reduction, and digital filtering
- User-Friendly: Intuitive interface with built-in formulas for multiple parameter readings
- Comprehensive Measurements: Capable of measuring VP, IP, SP, RO, M, TH and other parameters
- Versatile Configurations: Supports about 30 detection methods including four-pole, intermediate gradient, and combined profile
- Reliable Protection: Safeguards against overvoltage, overcurrent, with battery display and data protection
- Robust Design: Thin-file switch panel with durable ABS shell construction
| Receiving Part | |
|---|---|
| Voltage channel | ±32V(24 bit A/D) |
| Measurement accuracy | Vp≥5mV, ±0.2% ±1 character, 0.1mV≤Vp<5mV, ±1% ±1 character |
| Input impedance | >50MΩ |
| Apparent polarization accuracy | ±1%±1character |
| SP compensation range | ±10V |
| Current channel | 6A(24bit A/D) |
| Measurement accuracy | Ip≥5mA, ±0.2% ±1character, 0.1mA≤Ip≤5mA, ±1% ±1 character |
| 50Hz industrial interface depression | Better than 80dB |
| Transmitter Part | |
| Maximum power | 7200W |
| Maximum supply voltage | ±1200V |
| Maximum supply current | ±6A |
| Supply current width | 1~60s, duty rate 1:1 |
| General Specifications | |
| Working temperature | -10℃~+50℃, 95%RH |
| Storage temperature | -20℃~+60℃ |
| Power supply | Built-in 7.4V4Ah (or external 12V), 20h operation |
| Ports | A, B, M, N, DC high voltage, external battery, 2 cable ports, RS-232, Bluetooth |
| Weight | ≤4kg |
| Dimensions | 270mm × 246mm × 123mm |
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