FNIRSI WD-02 Metal Detector Stud Finder Wall Scanner
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Description
FNIRSI WD-02 Metal Detector Stud Finder Wall Scanner
The FNIRSI WD-02 Metal Detector Stud Finder Wall Scanner is an essential tool for both DIY enthusiasts and professionals, designed to simplify the process of locating various materials behind walls, floors, and ceilings. This versatile device enables users to quickly identify the edges and centres of metal, wooden studs, joists, pipes, and live AC wires, making it an invaluable asset for home decoration, appliance installation, and maintenance tasks.
Key Features
The FNIRSI WD-02 has measuring ranges, capable of detecting:
- wooden structures up to 38mm deep,
- AC wires up to 40mm,
- metal pipes up to 100mm,
- and rebars up to 120mm.
Its advanced HPC detection module enhances the scanner’s anti-interference capacity, allowing for faster and more accurate calculations. The device features a user-friendly display that provides multiple predictions, including target depth, detection centre, and material type. An indicator light system alerts users to the proximity of a target: a yellow or red light indicates distance, while a green light signifies no target detected. Additionally, an audible beep signals when a target is found, with continuous alerts when the centre is reached.
Practical Applications
This wall scanner is suitable for a wide range of applications, from home renovations to highway maintenance. Its centre positioning hole design allows users to mark drilling positions directly after detection, ensuring precision in drilling tasks. Constructed from durable ABS material, the FNIRSI WD-02 is built to withstand regular use while maintaining accuracy.
Specifications

The maximum detection depths for various materials are as follows: metals up to 120mm, non-ferrous metals such as copper up to 100mm, AC wires up to 50mm, and single-strand copper wires up to 40mm. For wooden structures, the precision mode allows for detection at 20mm, while the depth mode extends to 38mm. The device is equipped with an automatic shut-off feature that activates after five minutes of inactivity, conserving battery life. It operates on a 300mAh lithium battery, which is included with the purchase, along with a manual and a storage bag for convenient transport.
In summary, the FNIRSI WD-02 Metal Detector Stud Finder Wall Scanner is a reliable and efficient tool that enhances the accuracy of detection tasks, making it a must-have for anyone involved in construction or home improvement projects.










Additional information
| Weight | 0.320 kg |
|---|---|
| Dimensions | 26 × 19 × 10 cm |
| Brand Name | FNIRSI |
| FNIRSI Model | WD-01 |
| DIY Supplies | Electrical |
| Origin | Mainland China |
| Battery Included | Yes |
| High-concerned chemical | None |
| Power Type | Rechargeable |
| Certification | CE |
| Model Number | WD-01/WD-02 |
| With LCD Screen Or Not | Yes |
| Lithium Battery Capacity | 3.7V 300mAh |
| Continuous Working hours | 6 hours |
| Equipment size | 138mm*68mm*22mm |
| Max Depth of Exploration-with Iron Metal | 100mm |
| Max Depth of Exploration-Non-ferrous metal(Copper) | 80mm |
| Max Depth of Exploration-Alternating Current | 50mm |
| Max Depth of Exploration-Single-strand copper wire (≥4mm²) | 40mm |
| Max Depth of Exploration-Foreign body | EXACT Mode 20mm, DEEP Mode 38mm |
| With Buzzer Alarm | YES |











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