PQWT-GT500A
Depth: 100m/150m/300m/500m
Measuring time: 8-10min
Measurement data unit electric field component of different frequencies of the earth electromagnetic field ΔVs (mV)
Maximum Channels: 18 channels
Display Screen: Industrial 10.1-inch HD touch screen.
A/D conversion: 16-bits 1Msps
Minimum resolution: 0.001mv
Point selection: 1-18 points optional.
Power consumption: about 9W
Working environment temperature: -20°C ~ +50°C
Controller: 32-bit high speed CPU
Standby time: 8h
Cable: 2.5m point pitch, 10m line pitch 54.7m in total length
Electrode: Each comes standard with 22pcs
Host Weight: 1.95kg
The PQWT-GT Auto-Analysis Geophysical Detector is an advanced 8th-generation multi-channel groundwater and geological exploration instrument developed by Hunan Puqi Geologic Exploration Equipment Institute.
Using the natural electric field frequency selection method, it enables precise detection of underground water, mineral veins, geological structures, tunnels, cavities, and landslides.
it is equipped with five patented technologies for automatic analysis, mapping, and real-time 3D visualization, delivering accurate, efficient data collection and interpretation.
It supports multi-channel, multi-frequency measurement, eliminating time-difference errors and stores over 999 survey results, making it ideal for geophysical surveys, hydrogeological studies, and environmental engineering application
Related Products
Technical Sheet
1. Imaging Chip: 1/3” color CCD, sensitivity 0.1Lux.
2. Display: LCD, 12 inches, resolution 1024*768.
3. Lens: Manually fine-tune the focus; the lens is 360 degrees horizontally, tilted 180 degrees to rotate, freely controlled and can stay in any position.
4. Illumination Unit: front LED patch lamp beads, the brightness of the light source is adjustable in 8 levels.
Measurement Depth: 300M, 400M, 500M, 600M, 800M, 1000M
5. Storage Unit: U Disk.
6. Probe: Panorama/ rotation can be replaced at will, 40-120mm.
7. Working Voltage: AC 220V50Hz.
8. The tensile strength of the cable is 250kg.
9. The maximum pressure of the probe is not less than 15Mpa.
Controller Unit
Screen 12inch
Storage 32GB (SD card)
Keyboard Yes
Rotary 360 Degree rotary
Focus Adjustable
Winch Unit
Electric AC 220V
Cable core 6-core
Wheel type 0-500m
Skid type 501-1000m
Probe
Diameter 75mm
Rotary Yes
Focus Yes
Light Adjustable (+1 and -1)
Centralizer Yes
View angle Down and Side
• Multi-Channel Operation:
Supports simultaneous data acquisition from multiple electrodes, significantly improving survey speed and data accuracy.
• High Power Output:
Delivers strong current injection for deep detection and high-resistivity formations, ensuring reliable data even under challenging ground conditions.
• Intelligent Control System:
Features a microprocessor-based architecture with automatic ranging, polarity switching, and real-time monitoring for safe and efficient operation.
• High Precision Measurement:
Advanced digital filtering and noise reduction technology ensure stable, interference-free signals for accurate subsurface mapping.
• Flexible Configuration:
Compatible with multiple electrode arrays (Wenner, Schlumberger, Dipole-Dipole, etc.) for resistivity and induced polarization (IP) surveys.
• Durable Field Design:
Built with robust casing and weather-resistant components, making it ideal for both field and laboratory use.
• High Sensitivity & Precision: Integrated digital sensors ensure accurate seismic signal detection.
• Wireless & Efficient: Cable-free design simplifies deployment and reduces operational costs.
• Durable Construction: IP-rated protection for use in rugged field conditions.
• Long Battery Life: Low power consumption for extended continuous recording.
• Flexible Applications: Ideal for 2D/3D seismic surveys, structural monitoring, and academic research.
• User-Friendly Software: Intuitive interface for setup, synchronization, and data retrieval.
Depth 100 / 150 / 300 Meters
Frequency Single, Triple, 36/40/56frequency
Channel 8
System PQWT
LCD Industrial 7-inch HD touch screen
Units of Measurement △Vs(mV)
Measurement Range 0mV－2000mV
Stand-by Time 8-10 hours
Power Supply Battery Model #26650; 3.7V 4000mAh Rechargeable lithium battery
Depth 100m/150m/300m
Measuring time 6-8min
Measurement data unit electric field component of different frequencies of the earth electromagnetic field ΔVs (mV)
Maximum Channels: 18
Display screen unit: 10.1-inch HD touch screen (1024 *600)
A/D conversion: 16-bits 1Msps
Minimum resolution: 0.001mv
Point selection: 1-18 points optional
Power consumption: about 9W
Working environment temperature: -20°C ~ +50°C
Controller : 32-bit high speed CPU
Standby time: 8h
Cable: 2.5m point pitch, 10m line pitch 54.7m in total length
Electrode: Each comes standard with 22pcs
Host Weight: 1.95kg
• Dual Functionality: Measures both resistivity and induced polarization (IP) with exceptional precision.
• High Power & Depth: Advanced signal processing allows deep penetration and stable readings even in complex terrains.
• Intelligent Design: Automatic data recording, self-calibration, and real-time display simplify field operations.
• User-Friendly Interface: Intuitive touchscreen display and simple menu navigation enhance operational efficiency.
• Reliable Performance: Excellent anti-interference capability ensures accurate measurements in various geological environments.
• Flexible Data Management: Supports USB data export and PC software for data processing, mapping, and reporting.
Depth 200 Meters
Frequency Single, Triple, 36frequency
Measurement data unit electric field component of different frequencies of the earth electromagnetic field ΔVs (mV)
Channel 6
System PQWT
Units of Measurement △Vs(mV)
Measurement Range 0mV－1500mV
Display LED indicator
A/D conversion 8-bit 1Msps
Input impedance ≥10MΩ
Relative humidity ≤85%
Power consumption about 1W
Working environment temperature -20°C ~ +50°C
Power Supply Battery Model #18650; 3000mAh Rechargeable lithium battery
