Magnetic Field Strength Meter, 30Hz~400Hz Electromagnetic Radiation Tester, ABS for Audio‑Visual Equipment Display Screen TV Power Cord

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Applicable frequency of 30Hz~400Hz, widely applications, handheld use, easy operation.
Detect undesirable substances in the living environment and avoid them in time to build a wall for good health.
Low frequency electromagnetic waves emitted by specific objects or devices can be detected.
Measurement Range: 0.1~400mG(milligauss),1~400mG(Milligauss), high efficiency and accurate.
Can be used for power cord, display screen, TV, audio‑visual equipment or electromagnetic oven related electrical equipment.