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Details the instrument's capability to detect various hidden objects like metals, pipes, and live wires in walls.
Illustrates the physical buttons and their corresponding functions on the device interface.
Explains the graphical user interface elements and icons used by the wall detector.
Instructions for powering the instrument on and off.
Guides on using the mode to detect magnetic and non-magnetic metals, including depth and attribute identification.
Details how to use the mode for scanning and detecting live AC wires.
Explains automatic and manual calibration for detecting ribs and slots in wooden walls.
Covers adjusting sensitivity, calibrating metal detection, and viewing version information.
Lists key specifications of the multifunctional wall detector.
Provides descriptions and solutions for error codes encountered during operation.
The NF-518 Multifunctional Wall Detector is a versatile measuring instrument designed for detecting various hidden elements within walls, ceilings, and floors. Its primary function is to locate metals such as rebar and copper pipes, live wires, and the positions of ribs and slots under wooden walls. This makes it an invaluable tool for interior decoration, home installation, and other construction-related tasks, ensuring safety during various building processes.
The device operates across multiple detection modes, including metal detection, AC detection, and wooden wall detection. By default, it boots into metal detection mode, which is capable of identifying both magnetic and non-magnetic metals. In this mode, the instrument provides information on the presence of metal, its attribute (magnetic or non-magnetic), signal strength, and an estimated depth. The closer the detected target metal is to the instrument, the stronger the signal and the more rapid the auditory feedback. A center judgment feature helps pinpoint the exact location of the metal by indicating when the signal reaches its strongest point and the center mark on the screen lights up.
For AC detection, the NF-518 is specifically designed to scan for live wires. Similar to metal detection, it displays a live icon and signal strength, with auditory cues indicating the presence of AC current. Users are advised to move the instrument back and forth to accurately determine the live wire's location, as stronger signals indicate closer proximity.
The wooden wall detection mode is used to identify the uniformity of wooden walls, primarily to locate hidden ribs and slots. This mode offers both automatic and manual calibration options. In automatic calibration, the instrument self-calibrates upon placement on the target surface and then detects material changes, displaying information such as "RIB" or "SLOT" along with signal strength. Auditory feedback, like a "didi" sound, further assists in identifying these features. Manual calibration is available for situations where the target surface color is dark or automatic calibration is difficult. The principle behind wooden wall detection is to differentiate between solid and hollow areas based on material uniformity.
The NF-518 features an HD color screen and voice broadcast capabilities, enhancing user experience. The screen displays various icons and indicators, including voice status, target distance, detection results (non-magnetic metal, magnetic metal, AC wire, slot, rib), electricity levels, detection modes (wooden wall, metal, AC), center instruction, and signal strength. A marking hole is integrated into the device, allowing users to precisely mark detected locations.
The device is designed for ease of use, with clearly labeled buttons for power, mode selection (metal, wooden wall, AC), confirmation, and navigation. The "back" button serves as both a power control and a navigation tool, while the "set/add" and "sound/minus" buttons allow for adjustments within the system settings. The instrument is charged via a Type-C port, offering modern and convenient power management.
Proper handling is crucial for optimal performance. Users are advised to hold the instrument correctly, as touching the detection area with hands can affect detection depth. The manual provides a schematic diagram illustrating the recommended grip.
The NF-518 includes system settings that allow users to adjust detection sensitivity for all three detection modes. This feature enables fine-tuning of the instrument's performance based on specific environmental conditions or material types.
The device also offers a metal detection mode calibration feature. This is particularly useful in environments with large temperature or humidity fluctuations, which can otherwise lead to false alarms or reduced detection depth. Calibration ensures the instrument maintains accuracy. During calibration, it is important to ensure no metal or strong magnetic fields interfere with the process.
An "About this machine" section in the system settings provides access to information such as the instrument model, software version, and hardware version, which can be useful for troubleshooting or support.
The device is equipped with an automatic shutdown feature after 5 minutes of inactivity, helping to conserve battery life. It operates within a temperature range of 0°C to 50°C and can be stored in temperatures from -10°C to 60°C.
Safety warnings emphasize the importance of reading the manual carefully to avoid injury and ensure proper operation. Users are advised against unauthorized repairs and to contact local dealers if the instrument is damaged. The device should not be used in flammable or explosive environments, near medical equipment, or on airplanes due to potential electromagnetic interference. Proper disposal of discarded instruments according to local laws and regulations is also highlighted.
General| Brand | NOYAFA |
|---|---|
| Model | NF-518 |
| Display | LCD |
| Image Capture | Yes |
| Video Recording | No |
| Protection Level | IP54 |
| Operating Temperature | 0°C to 50°C |
| Operating Humidity | 10% to 90% |
| Accuracy | ±2°C |
| Emissivity | Adjustable from 0.1 to 1.0 |
