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Protection of farms, silos, and warehouses

How do underground seismic sensors work for intruder detection

In the last 20 years, Brazilian agribusiness has experienced extraordinary growth, going from an agricultural GDP of US$ 122 billion in 2002 to US$ 500 billion in 2022, equivalent to the entire economy of Argentina. For 2023, a record harvest of over 300 million tons of grains is expected, highlighting the proportion that agribusiness has taken within the Brazilian economy.

Because it is such an active and important market for Brazil, owners and security managers of farms, silos, warehouses, and other types of rural areas must be attentive and prepared to actively protect their properties, assets, and people involved in the business, as these locations are subject to theft, invasion, vandalism, and even terrorist attacks.

One of the solutions used by Ôguen – a distributor of innovative Israeli technologies – for the protection of rural area facilities is the SensoGuard underground seismic sensors, ideal equipment for immediate protection of perimeters and critical areas.

Unlike traditional electronic fences, which are vulnerable to a simple cable cut by criminals, seismic sensors are buried in the perimeter area and at strategic points, remaining invisible and immune to the actions of vandals. The solution silently and accurately detects any attempt at invasion, sabotage, or excavation, even in adverse weather and lighting conditions, such as rain, wind, and total darkness.

"Seismic sensors can be used as an autonomous solution or an additional layer of protection, and can be integrated with other systems such as alarms, cameras, and radar," explained Hen Harel, CEO of Ôguen. "The solution has adaptive intelligent algorithms that continuously learn from the behavior of the environment, drastically reducing false alarms," added Hen.

Seismic sensors can be applied to:

• Complete perimeter protection

Sensors are installed around the perimeter of a farm, for example, to create a virtual fence that detects footsteps and vehicles. Criminals will not be able to dig or invade the location without being detected.

• Layers of protection

Looking for an extra layer of protection, rural property security managers can deploy sensors at tactical points, such as machinery parking lots, around silos and warehouses, or in areas around where animals such as cattle and horses are kept, creating an inner ring of protection that detects any activity in these locations.

• Early warning system on access routes

Farms are usually located in more remote and isolated areas, with several access routes to the property. Seismic sensors can be strategically deployed on these routes to detect vehicles or people approaching the facility.

"In addition to the high level of accuracy and having one of the best cost-benefits per m², the solution is also easy to install. It is only necessary to dig a hole about 30 to 50 cm deep, place the sensors and processing units inside, make the connection, define the sensitivity level, and cover the equipment. Everything is done in a plug & play manner and training is easy and short," explained engineer Kleber Reis, commercial and operations director of Ôguen. "The sensors can operate with batteries or small solar panels and send alerts using cellular communication," concluded the director.

To learn more about how seismic sensors work and whether they are ideal for your project, visit: or contact us at +55 11 93389-8133.

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