Nanjing Jiangnan Library Equipment Factory: Library Security System

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  2. ABS with Embedded Model Crystal Antenna (Library Security System)Single-access
     1) Size: 1,450mm (height) x 550mm (width) x 40mm (thickness)
     2）Weight: 39.3kg (Single access)/58.5kg (Bi-access)
     3) Colour: Milk White ...
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  2. JN4002 Model Digital Detector Control Box (Library Security System)Technical Parameter:
     1) Size: 280mm (height) x 270mm (width) x 120mm (thickness)
     2) Weight: 4.4kg
     3) Colour: ...
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  2. Magnetic and De-magnetizing Strips (EM Strip)Specifications:
     1) Length: 8/12/16cm
     2) Width: 1.75mm±0.2mm
     3) Thickness: 0.04mm±0.01mm ...
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  2. JNC Magnetizing and Demagnetizing Apparatus (Library Security System)Technical Parameter:
     1) No more than 50 magnetic strips can be magnetized or demagnetized at a time
     2) Induction height: 5cm ...

Nanjing Jiangnan Library Equipment Factory

EM system (14.28kHZ) JN4002 Model Digital Detector

Jiangnan Library Equipment Factory was created to provide solutions to the security needs of the independent retailer. We have more than 8 year’s experiences in manufacturing EAS (EM) system. By combining high quality loss prevention solutions, fast delivery, and exceptional customer assistance, we are committed to help our customer’s increase their profits by decreasing inventory shrink. Our main products as follows: EAS(EM) Accessories, Library Security System, EM (EAS System) System, Anti-shop lifting System, EAS System, EM Tag, Security Strips and Barcode Reader.
JN4002 Model Digital Detector applies in numeral technology, adopting the computer chip to control, and model design, using 14.28KHZ low frequency to check and measure the multiple frequency points.
The advantages are: 1). It is uneasy to be shielded by metals while RF 8.2MHZ system is easy to be screened by metals.
2). Anti-jamming performance is very strong, and fault alarm rate is very low, besides those, when strips or magnetic metals enters the alarm door, or at the same time the electric magnetic waves get close to it, EM system can identify them separately, strips can be alarmed by sound or sound (on the Control Box) / light (on the Antenna) while the metals or the waves by weak light (on the Control Box);
3). Rate of accurate alarm is very high, nearly no dead angle at all; ...

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