Magnetic Pole Pen Polarity Tester NS Pole Identify Tool North & South Magnetic Pole Identifier Magnet Detector

Features: A professional tester for identifying the polarity of magnetic field fastly and safely. Pen type magnetic tester and portable. One button operation easy to use. The north and south polarity can be distinguished by the two signal lamps(red = N pole green = S pole). Comes with a sturdy tool case. It can be used for the determination and identification of permanent and electromagnet poles magnetization polarity check and coil test. Specifications: Material: ABS Sensitivity: ±5mT (50Gs) Display: 2 lights (red = N pole green = S pole) Service : -20~80℃ Storage : -40~150℃ Power Supply: 2 * 1.5V AAA battery (NOT included) Item Size: 154 * 27 * 24mm / 6.06 * 1.06 * 0.94in Item Weight: 64g / 2.27oz Package Weight: 263g / 9.30oz Package Size: 22 * 10.5 * 5.7cm / 8.66 * 4.13 * 2.24in Packing List: 1 * Tester 1 * Storage Case 1 * Manual (English)