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Tester Pen

Tester pen is an electrical tool used to test whether the wires are energized. There is a bubble in the pen body. If the bubble glows during the test, it indicates that the wire has electricity or a fire wire for the passage. The tip of the pen and the tail of the test pen are made of metal material, and the pen holder is made of insulating material. When using the test pencil, be sure to touch the metal part at the end of the test pencil by hand. Otherwise, the charged body, the test pencil, the human body and the earth do not form a loop. The bubbles in the test pencil will not emit light, causing misjudgment.
It can be used to perform a low voltage nuclear phase and measure whether any conductors in the line are in phase or out of phase. It is convenient to use with the scientific and ergonomic design, which is safe.
Our company is able to provide the wholesale service that you can buy the tester pen with cheap price from our factory, which is made with strict standards to ensure its excellent quality.
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