GLTL Magnetic Polarity Tester Polarity N/S Test Gauss Meter Magnetic Pole Identifier N/S Detection Pen
$39.99

Description

★ Size: about 140 * 20 * 19mm,Sensitive area 6 * 3mm..★ Induction value: 0.005 tesla = 5 mt, Sensitivity: ± 5mt..★ Display: 2 LED display (green = S pole, red = N pole)..★ Use battery: 1X1.5V LR03 AAA battery (Not included)(continuous use time > 10 hours)..★ Service temperature: - 20℃ ~ + 80℃, Storage temperature: - 40℃ ~ + 150℃.

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