1) The product "GROZA-TVD" is a vibration means of detection, the principle of operation of which is based on the registration of elastic mechanical vibrations of barriers in attempts to overcome or destroy them by an intruder.
2) The main purpose of the product is signalling blocking of viewing engineering barriers. The application area of the product is industrial facilities, including explosive gas environments of premises and outdoor installations according to the explosion protection marking.
3) The product consists of addressable point vibration sensors and signal processing unit. The RTDs are installed on the fence canvas in one or two flanks with a spacing of 3-15 m and are combined into a common power supply-signalling loop, which is connected to the Signal Processing Unit.
4) The device generates an alarm notification in case of the following influences:
- climbing over the top of the fence without improvised means or with the help of a ladder, with mandatory impact on the fence fabric;
- destruction of the barrier web by sawing;
- p...
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