Magnetic Pole Pen/Polarity Identification Pen NS-300
Model: NS-300.
Identification Capability: Can identify N/S at approximately 3mT (about 30Gs) or above;
Dimensions: Ф15mm×160mm
Weight: 75g
Usage Time: Approximately 50 hours of continuous use;
Battery: 3 LR44 button cells.

Applications:
Determining and identifying the magnetic poles of electromagnets
Magnetization polarity inspection
Coil testing
Auxiliary role in the following tasks: motor assembly, magnetic clamping device assembly, faulty assembly analysis, and multi-stage magnetic field quality control, etc.