PQWT S-Series Ground Water Detector User Manual

1. Introduction

The PQWT S-Series Ground Water Detector is an advanced geophysical survey instrument designed for efficient and accurate underground water detection. Utilizing natural electric field frequency selection methods, this device automatically maps geological structures and analyzes underground water-bearing formations by collecting changes in potential difference (resistance).

This detector is suitable for various terrains including plains, hills, mountains, plateaus, and basins, providing rapid analysis to determine optimal water well drilling points, identify aquifers, and measure aquifer depth. Its user-friendly interface allows even inexperienced operators to learn its functions quickly.

2. Product Components

The PQWT S-Series Ground Water Detector package typically includes the following items:

Main Detector Unit (with industrial-grade 7-inch high-definition digital touch LCD screen)
Electrode Rods (2 pcs copper electrode)
Electrode Cable (10 meters)
Power Adapter
USB Cable
USB Flash Drive
Shoulder Strap
Carrying Case

Diagram of PQWT S-Series Ground Water Detector parts — Figure 2.1: Main components and their labels on the detector unit.

PQWT-S150 model with all accessories laid out — Figure 2.2: The PQWT-S150 model and its complete set of accessories.

3. Specifications

Feature	Description
Model	PQWT-S500 (also S300/S150)
Measuring Depth	0-100m / 0-150m / 0-300m / 0-500m (model dependent)
Measuring Frequency	Single frequency, Three frequency, 36/40/56 frequency
Power Type	Rechargeable (Battery Model 26650*2pcs #4000mAh Lithium Battery)
A/D Conversion	16-bit 1MspS
Measuring Range	0mV-2000mV (instrument automatically switches range)
Measuring Accuracy	0.001 mV
Measurement Channel	8 channels
Unit of Measurement Data	Electric field components of different frequencies of the earth electromagnetic field ΔVs(mV)
Channel Gain	0-500,000 times
Languages	English, Spanish, French, Arabic, Russian
Power Consumption	About 4W
Display	Industrial-grade 7-inch high-definition digital touch LCD screen
Working Hours	6-8 hours
Cable Length	10 meters
Electrode Type	Copper electrode (2 pcs)
Application	Underground Water Detection, Borehole Drilling
Package Dimensions (L x W x H)	46cm x 19cm x 41cm
Gross Weight	6.2 kg

4. Setup Instructions

Follow these steps to set up your PQWT S-Series Ground Water Detector for operation:

Unpack Components: Carefully remove all items from the carrying case. Ensure all components listed in Section 2 are present and undamaged.
Charge the Device: Before first use, fully charge the main detector unit using the provided power adapter. Connect the adapter to the charging port on the unit and plug it into a power outlet. The LED indicator will show charging status.
Connect Electrode Cable: Connect the electrode cable to the "M N port" on the main detector unit. Ensure the connection is secure.
Attach Electrode Rods: Connect the two copper electrode rods to the ends of the electrode cable.
Power On: Press the "ON/OFF" button on the main unit to power on the device. The LCD touch screen should illuminate.
Placement of Electrodes: In your survey area, firmly insert the two electrode rods into the ground at appropriate distances as per your survey plan. Ensure good contact with the soil.

Person setting up the water detector in a field, inserting an electrode — Figure 4.1: Proper placement of the electrode rod in the ground.

Close-up of the secure cable connection to the detector unit — Figure 4.2: Detail of the cable connection to the main unit's M N port.

For a visual guide on setup and operation, please watch the following video:

Video 4.1: Demonstration of PQWT S-Series Ground Water Detector setup and operation.

5. Operating Instructions

The PQWT S-Series detector features an intuitive touch screen interface for easy operation. After powering on and connecting the electrodes, navigate the menu to begin your survey.

5.1 Main Menu Overview

The main screen provides access to different survey modes and settings:

Figure 5.1: Main menu of the PQWT S-Series detector.

Single Frequency: For basic measurements at a single frequency.
Three Frequency: For more detailed analysis using three different frequencies.
Profile Survey: To conduct a comprehensive survey and generate geological profiles.
File Explorer: To manage saved survey data.
Settings: To adjust device parameters, language, etc.
Services: For additional support or features.

5.2 Conducting a Survey (Profile Survey Example)

From the main menu, tap on "Profile Survey".
Enter the required parameters such as Line number, Depth, and Gain. The device supports various depths (e.g., 170Hz, 67Hz, 25Hz).
Confirm your settings and start the measurement.
The device will automatically collect data and generate a geological profile map on the screen, reflecting aquifers and their depths.

Figure 5.2: Example of an automatically generated geological profile map.

The automatic mapping feature provides on-site results, allowing for immediate analysis of the underground structure.

6. Maintenance

To ensure the longevity and optimal performance of your PQWT S-Series Ground Water Detector, follow these maintenance guidelines:

Cleaning: After each use, especially in muddy or wet conditions, clean the electrode rods and cable thoroughly. Wipe the main unit with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
Storage: Store the device and all accessories in the provided carrying case when not in use. Keep it in a cool, dry place away from direct sunlight and extreme temperatures.
Battery Care: Recharge the battery regularly, even if the device is not used frequently, to maintain battery health. Avoid completely draining the battery for extended periods.
Cable Inspection: Periodically inspect the electrode cable for any signs of wear, cuts, or damage. Replace if necessary to ensure accurate readings and safety.
Software Updates: Check the manufacturer's website or contact support for any available software updates to ensure your device has the latest features and performance improvements.

7. Troubleshooting

If you encounter issues with your PQWT S-Series Ground Water Detector, refer to the following common problems and solutions:

Problem	Possible Cause / Solution
Device does not power on	Battery is low or depleted. Charge the device fully. Power button not pressed firmly or long enough. Press and hold the ON/OFF button for a few seconds.
Inaccurate or inconsistent readings	Poor contact between electrodes and ground. Ensure electrodes are firmly inserted into moist soil. Damaged electrode cable or connections. Inspect the cable and connectors for wear or damage. Interference from nearby electrical sources or metal objects. Move to a different survey location if possible. Incorrect survey parameters. Verify that the selected frequency and depth settings match your survey requirements.
Touch screen unresponsive	Device might be frozen. Try a system reset using the "RST" button (refer to Figure 2.1). Screen might be dirty. Clean the screen with a soft, lint-free cloth.
Cannot save data to USB flash drive	USB flash drive is full or corrupted. Try a different USB drive. USB flash drive not properly inserted. Ensure it is fully seated in the USB port.

Illustration of a person worried about instrument accuracy and functionality — Figure 7.1: Addressing common concerns about the water detector's performance.

8. User Tips

Ground Contact is Key: Always ensure the electrode rods have excellent contact with the ground. Moist soil provides better conductivity and more accurate readings. If the ground is very dry, consider moistening the area around the electrodes.
Learn the Basics: The device is designed for ease of use, with many users reporting they can learn the basic operation in as little as 5 minutes. Take advantage of the intuitive touch screen and automatic mapping features.
Utilize Remote Assistance: If you are unsure about interpreting your survey results or need help analyzing well locations, remember that expert remote assistance is available.
Experiment with Frequencies: Depending on the geological conditions and desired depth, experimenting with single, three, or specific frequencies (36/40/56 Hz) can yield more precise results.

9. Warranty and Support

For any questions, technical support, or warranty inquiries regarding your PQWT S-Series Ground Water Detector, please contact us directly:

WhatsApp: +86 18817124267
Email: salesengineer5@pqwtcs.com

We are committed to providing reliable results and support for your water detection needs.

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PQWT PQWT-S500/S300/S150