Model NO.: DZD-6A
Trademark: GOLD
Origin: Chongqing, China
HS Code: 9015800090
500m Geophysics Underground Water Finder for Apparent Resistivity and Spontaneous Potential

Main Applications
This advanced geophysical instrument is designed for a wide range of applications. It utilizes apparent resistivity and induced polarization methods to support mineral resource exploration, energy development, urban geophysical surveys, railway and bridge engineering, and more. It can effectively locate groundwater, address drinking water issues for humans and animals, and manage agricultural and industrial water needs. Additionally, it helps identify hidden risks in dam foundations, flood control dikes, fault zones, collapse columns, landslides, coal mining voids, and even detect geothermal resources. The device works with 60 or 120-channel multiplex electrode switches, making it suitable for multi-electrode resistivity survey systems.
Receiving Part
- Measuring Voltage Range: -6000mV to +6000mV - Measuring Voltage Resolution: 0.01 mV - Measuring Voltage Accuracy: ±5% (at Vp > 10mV), ±1% (at Vp < 10mV) - Measured Apparent Polarizability Accuracy: ±1% - Measuring Current Range: 0–5000 mA - Measuring Current Resolution: 0.01 mA - Measuring Current Accuracy: ±5% (at Ip > 10mA), ±1% (at Ip < 10mA) - Input Impedance: ≥50MΩ - Interference Suppression at 50Hz: Better than 80dB
Transmitter Part
- Maximum Transmitting Power: 4500 W - Maximum Power Supply Voltage: 900V - Maximum Power Supply Current: 5A - Equipped with over-voltage and over-current protection - Power Pulse Width: 1–60 seconds, Duty Cycle 1:1
Main Features
- All-in-One Functionality: Combines long lead IP, 2D resistivity imaging, and medium-power short lead transmission into one unit. - Compact and Lightweight: Integrated receiver and transmitter in a single cabinet for easy field use. - Comprehensive Measurement Parameters: Supports direct measurement of Vp, Vsp, I, Ro, Ms, Th, D, Zp, and R. - User-Friendly Operation: Digital automatic measurement with compensation for spontaneous potential, drift, and electrode polarization. Large LCD screen displays electrode layout and allows keyboard input. - Easy Data Interpretation: Stores up to 4,800 survey points, each containing 22 data entries. RS-232 interface enables transfer to computers for digital analysis. - Durable Design: Aluminum chassis for EMI shielding, sealed touch panel, and multiple internal protections for reliable performance in harsh environments.
Model & Name: DZD-6A Multi-functional Direct Current (Induced Polarization) Instrument
Max. Power Supply Voltage: 900V
Max. Power Supply Current: 5A
Voltage Measuring Range: ±6000mV
Voltage Measuring Accuracy: (Vp > 10mV) ±5%, ±1 digit; (Vp < 10mV) ±1%, ±1 digit
Current Measuring Range: 0.1mA – 3000mA
Current Measuring Accuracy: (Ip > 10mA) ±5%, ±1 digit; (Ip < 10mA) ±1%, ±1 digit
Interference Suppression on 50Hz Power Frequency: Better than 80dB
SP Compensation Range: -1000mV – +1000mV
Instrument Input Impedance: ≥50MΩ
Operating Temperature: -10°C ~ 50°C, 95%RH
Machine Size: 305×200×202mm

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