Four differences between electrostatic induction and electronic fences

There are four main differences between electrostatic induction and electronic fences:

The difference between electrostatic induction and electronic fence

1, the alarm principle is different:

Electrostatic induction system: After the detection cable is energized, an electrostatic magnetic field is generated around the cable. When the invader's biological field approaches or touches the static magnetic field of the cable, a field change occurs, thereby triggering an alarm;

E-fence: The zone alloy wire is loaded with a high-voltage pulse signal. After the intruder contacts the alloy wire, the amount of detection signal on the alloy wire changes, and the detector judges whether to alarm according to the magnitude of the change of the pulse signal returned by the zone.

2, alarm methods and categories:

Electrostatic induction system: when the intruder approaches, touches, cuts, or climbs over the electronic fence, the system sends out an alarm signal and the alarm is advanced.

Electronic fence: When a broken network, a short circuit, or a touch screen occurs, the system sends out an alarm signal and alarms only when it enters the perimeter.

3, front-end fence cable load voltage:

Electrostatic induction system: detecting the load voltage of the cable is low voltage, the human body directly touches the bare part of the cable without any impact on the human body;

Electronic fence: The metal alloy wire is loaded with high voltage pulse signals. Each pulse signal voltage is more than 7000 volts. The human body contact alloy wire will have a strong touch inductance. (But due to low current, it will not cause substantial harm to the human body.)

4, the detector control the number of zones and control the length of the zone:

Electrostatic induction system: A detector controls a defense zone. The length of defense zone varies depending on the detector model. The detector model can be selected according to the actual needs of the customer. The system detectors are 50 meters, 100 meters, 150 meters, 200 meters, 250 meters, 300 meters and other specifications.

Electronic fence: There are two kinds of single-zone detectors and dual-zone detectors. A single-zone detector only controls one independent zone. A dual-zone detector can control two adjacent zones simultaneously. The longest protection perimeter of each zone (four-wire system) is 1 km.

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