MORET-300 is mainly used for detecting the internal moving surplus of sealed chassis and whole machine products with high reliability requirements, and provides a simple, reliable and practical method for detecting moving surplus for scientific research and production units. Main technical parameters: Standard quality of detectable instrument: ≤30kg; can be customized according to user requirements. Standard size of detectable instrument: ≤400×400mm; Can be customized according to user requirements. Calibration sensitivity: a standard sensitivity calibration box with φ0.5mm steel balls is provided. Type of detectable surplus: solder bead, fine copper wire, welding slag, rubber particles.