News&Events

1. Can the viking metal detectors be installed ourselves? A: Yes absolutely! We sell these worldwide and rarely do our clients need help installing. Installing a standard security system typically takes 30min or less. 2. What is the power rating? A: All our systems run on standard 120v – 240v AC and

The principle of walk through metal detector is to generate 3.5-4.95M sinusoidal oscillation by the crystal oscillator, which is divided into a 7.6K sine wave by the frequency divider, and the power is amplified by the triode and the coil, and then input to the large coil of the door panel (zone 7)

Many household electrical appliances, such as mobile phones, walkie-talkies, microwave ovens, induction cookers, televisions, etc., will radiate electromagnetic waves to the surrounding space, and a similar situation exists in the airport metal detector. The strength of electromagnetic waves is meas