[POLARITY DETECTION] This professional magnetic pole pen tester features ±5mT sensitivity for precise identification of north and south poles with clear red/green LED indicators. Ideal for engineers and technicians requiring reliable field measurements.
[USER-FRIENDLY OPERATION] Simple one-button design with intuitive LED feedback allows quick polarity determination in various lighting conditions. Perfect for both professional and educational applications with visual confirmation.
[PORTABLE PROFESSIONAL TOOL] Compact 154mm pen-style design with included protective ensures easy transportation and storage. Weighing only 64g, it's perfect for fieldwork, labs, or industrial maintenance tasks.
[VERSATILE APPLICATIONS] Effectively tests permanent magnets, electromagnets, coils, and magnetization levels. Suitable for motor assembly, quality control, research, and educational demonstrations across multiple industries.
[DURABLE CONSTRUCTION] Made from high-quality ABS plastic with a temperature range of -20°C to 80°C for reliable performance in various environments. Includes storage for protection during transport and extended tool life.