Blog
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Dec 02 2024
Why CVBS Cameras Are Still Relevant in Explosion-Proof CCTV Systems
When it comes to ensuring safety in potentially explosive environments ...
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Nov 04 2024
Wireless Transmission of CCTV Systems in Hazardous Environment Zone 1
CCTV systems in hazardous environment Zone 1 may require wireless transmission due to ...
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Oct 14 2024
Solutions for transmission of network CCTV systems over long distances in a Zone 1
In a Zone 1 environment, connecting explosion proof cameras located more than ...
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Nov 25 2024
How to upgrade coaxial cable-based analogue explosion-proof CCTV systems.
he old generation of analogue explosion-proof CCTV systems was ...
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Sep 25 2024
Is it mandatory to use flexible tubes in explosion-proof CCTV systems?
The use of flexible tubes (flexitubes) in explosion-proof CCTV systems is ...
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Sep 02 2024
What corrosion protection is available for cameras used in hazardous environments?
Cameras used in hazardous environments are exposed ...
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Aug 15 2024
What type of camera should be used in Zone 1?
For use in Zone 1 hazardous areas, where ...
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Aug 2 2024
Why do explosion-proof cameras need anti-corrosion coatings?
Explosion proof cameras need anti-corrosion coatings to ...
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July 25 2024
The difference between an explosion proof camera with a 316L and 304 SS housing
The main difference between an explosion proof cameras with a 316L stainless steel housing ...
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July 05 2024
Comparison between ATEX, IECEx and CNEx
When purchasing equipment products, many customers will ...
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Jan 10 2024
Welcome to Visit Us at the Intersec Expo 2024
We will be exhibiting at the highly anticipated Intersec Expo 2024.
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Dec 18 2023
Explosion-proof junction boxes are necessary for the project
How should I build an explosion-proof CCTV system without certified equipment like an explosion-proof junction box in an emergency?
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Nov 14 2023
Defend's Intrinsically Safe Smartphone at China Hi-Tech Fair (CHTF) 2023
We participated in the China Hi-Tech Fair (CHTF) 2023 with our newly developed intrinsically safe smartphones...
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Nov 6 2023
Use of Intrinsically Safe Smartphones in Industry
Intrinsically safe smartphones are special devices that are designed...
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Oct 25 2023
We are at the 19th China Public Security Expo 2023
Today is the first day of the exhibition, and we are very happy to see many new and old customers...
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Oct 20 2023
Welcome to Visit Us at the 19th China Public Security Expo 202
We are delighted to announce that we will participate in the 19th China Public Security Expo...