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Come proteggere i sistemi di telecamere di sicurezza per esterni dai fulmini

I fulmini possono danneggiare o friggere completamente il tuo sistema di telecamere di sicurezza che lascerà la tua proprietà esposta a possibili intrusi. Non solo la telecamera, ma anche un temporale può bruciare l'intero DVR o NVR.

Ci sono alcuni semplici passaggi che puoi seguire per proteggere il tuo sistema TVCC dai fulmini. Segui questa semplice guida per scoprire come rendere il tuo sistema di telecamere di sicurezza a prova di fulmine.

Protezione del tuo sistema di telecamere di sicurezza dai fulmini

Ci sono tre consigli di base per proteggere il tuo sistema TVCC:

Monta la fotocamera correttamente

Il modo giusto per montare una telecamera di sicurezza è la migliore protezione contro i fulmini. Una telecamera installata in modo errato e un temporale finiranno in un sistema di sicurezza CCTV bruciato o danneggiato.

Di solito, le telecamere esterne montate nel cortile, nel vialetto, negli angoli degli edifici, nel garage o in qualsiasi altro spazio aperto sono più soggette a essere colpite dai fulmini. Dovresti prestare particolare attenzione quando installi le telecamere in questi punti.

La chiave per proteggere le telecamere di sicurezza per esterni dai fulmini è utilizzare un adeguato sistema di messa a terra ed evitare di montare la telecamera su strutture metalliche. Quando installi una telecamera di sicurezza, segui questi suggerimenti per evitare danni da fulmine:

To conclude, proper grounding (using the building ground system) and avoiding installing the security camera straight on a metal structure is the best way to protect your CCTV system from a power surge caused by thunderstorms.

Additionally, by using a copper strap, you’ll reduce the electrical surge getting transmitted down the coaxial wires all the way to the DVR, thus reducing the risk of having the recorder fried.

Use power supply panels

The outdoor security cameras are always at risk of getting damaged by lightning, even if you’ve deployed some sort of protections. However, you can take some countermeasures to assure that the recorder itself (DVR or NVR) will be safe.

The risk of getting fried by lightning increases if you use an individual power supply for each security camera. You need to use CCTV rated power supply panels, surge protector and UPSs (Uninterruptible Power Supplies)

If you use these anti lightning devices you may reduce the risk of having all your security system damaged (all the cameras and the recorder). If it happens, one camera will get burned but the rest of the system will still be okay.

By using a surge protector and UPS, you’ll protect the system in case the power surges unexpectedly. Moreover, the UPS ensures that your security system runs uninterrupted if there’s power outage, power surge or a heavy thunderstorm.

When purchasing a UPS, keep in mind that there are two types of them:the one called standby UPS and the continuous one.

The standby UPS powers up the NVR or DVR only when a problem is detected. So, if there’s a power interruption, the standby UPS kicks in and powers the recorder.

The continuous UPS works on a different scheme, the UPS powers the NVR/DVR all the time while getting recharged. When there’s a power interruption from the grid, the NVR/DVR won’t notice anything because the UPS will always maintain optimum voltage.

Usually, the standby one is cheaper compared to the continuous one. We recommend using a continuous type UPS to constantly provide the right voltage to your recorder.

Use lightning rated security cameras

Si ottiene quello che si paga. If you’re worried about lightning in your area that may damage your security system, then you should purchase high-end cameras that are able to self protect against thunderstorms.

The cheaper security cameras manufactured by shady or unknown companies, are made of cheap materials and offer no protections against lightning. On the other end, the more expensive cameras from reputable brands are more resilient against heavy lightning.

It’s recommended to check the specs of the camera, or, even better, call the manufacturer or the seller and ask them if the cameras can withstand lightning. They know their products and will advise accordingly.

Serious manufacturers or installers will suggest installing lightning rods or arresters on the mounting point (or rack) and ground the whole thing to the grounding pipe. Either way, a medium to high end camera, will fare better against lightning compared to cheap security cameras.

Conclusione

As any other electronic devices, outdoor security cameras are prone to lightning strikes. However, there are a few tricks you can deploy to avoid or minimize a possible lightning damage.

A well installed security system will minimize the damage caused by a heavy thunderstorm, even if one camera is burned, the rest of the camera and the NVR/DVR itself will be saved. Imagine if your whole security system is fried, the cost to replace it will be immense. That’s why, you should plan ahead when installing a security camera system.


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