First metal detector likely invented around 1830 using electric conduction. Professor Favre developed first metal detector in 1862 for bullet detection. Alexander Graham Bell attempted bullet detection in 1881
Advanced Pulse Induction technology with detection range up to 5 meters. Automatic and manual ground balancing for various soil conditions. Fully submersible design for depths up to 6 meters. Rechargeable batteries provide up to 12 hours of detection time
Metal detector detects harmful metals at airports, malls, and cinemas. Uses coil and capacitor for metal detection. Arduino Nano controls the project. Buzzer beeps rapidly when metal is detected
First detector combining deep treasure, cavity and coin detection in one unit. Features both non-motion and motion modes for different detection needs. Uses color 3D image analysis for target detection. Shows metal type, depth and size on visual display
First revolutionary metal detector system since 1930s. Provides real-time shape, depth, dimensions and discrimination. Uses IPTU sensor for precise coil tracking and location determination. Offers 3 search modes: Basic, Expert, Ground Anomaly & Cavity. Includes 17 languages support and 2.4GHz wireless connectivity
Professional 3D imaging software for OKM metal detectors and ground scanners. Determines position, size and depth of hidden objects before excavation. Offers intuitive operation with context-sensitive help system. Includes automatic creation of 3D representations from detector data