862m ± 5MT (50GS) High Sensitivity Magnetic Pole Pen N S Polarity Identification Test Pen
Special Features
- The magnetic pole identification pen is a fast, easy and . It is an instrument used to identify the polarity of a magnetic field.
- It adopts a portable pen holder design, which is small and light, easy to carry, and can be measured anytime and anywhere without taking up space.
- High sensitive probe and high performance chip the measurement more sensitive and accurate.
- It is easy to see, LED light emitting diodes will show their polarity in different colors, red is N pole, green is S pole.
- Magnetic pole identification pen is powered by two AAA1.5V batteries, the use time is about 10 hours or more.
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