- Function and design: This portable handheld needle detector offers adjustable sensitivity with a one-button control, plus audible alarm and LED indicator. It is built for long sessions without overheating or overload. - Performance: Equipped with a digital processing chip for stable, durable operation. Lightweight, compact, and highly sensitive for testing small items with effortless handling. - Applicability: Precisely locates small ferromagnetic needles or pins and pinpoints their exact position. Effective on thin parts and adaptable to various work environments. - Detection principle: Based on magnetic induction, it detects the iron position of needles and similar ferromagnetic items quickly and accurately. - Benefits: Fast on-site screening reduces risk of needle injury or contamination, protects equipment and products, and minimizes downtime during inspection or production. - Use scenarios: Garment and textile inspection to find stray needles before washing or sewing. Quality control in textile manufacturing to ensure no needle fragments remain in finished goods. Inspection of thin components in crafts or workshop settings for hidden ferromagnetic fragments.