CCTV BNC Isolator CCTV Video Distortion Interference Coaxial Video Ground Loop Isolator Balun BNC Male to Female Hikvision Dahua AHD CVBS

CHOICECYCLE CCTV offer best solution CCTV BNC Isolator CCTV Video Distortion Interference Coaxial Video Ground Loop Isolator Balun BNC Male to Female Hikvision Dahua AHD CVBS

🔌 CCTV BNC Isolator – Fix Video Distortion & Ground Loop Interference | Coaxial Balun for Hikvision & Dahua Systems

Are you experiencing CCTV video distortion, flickering, ghosting images, or interference lines on your monitor? The solution is simple and effective — use a CCTV BNC Isolator, also known as a ground loop isolator or coaxial video isolator.

Perfectly compatible with Hikvision, Dahua, Uniview, and all standard analog CCTV systems, our BNC male-to-female isolators are essential for clean, interference-free video transmission over coaxial cable (RG59/RG6).

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⚙️ Key Features – CCTV Video Ground Loop Isolator

• ✅ Eliminates ground loop interference in CCTV video signals

• ✅ Prevents horizontal lines and noise distortions in analog cameras

• ✅ Plug-and-play BNC male to BNC female design

• ✅ Ideal for long-distance coaxial installations

• ✅ Works with DVRs, monitors, and CCTV balun setups

• ✅ Passive device – no external power required

• ✅ Compatible with PAL, NTSC, CVBS, and AHD/CVI/TVI formats

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🎯 Where to Use CCTV BNC Isolators

• 🏢 Commercial buildings with complex grounding systems

• 🏬 Shops & warehouses with multiple metal enclosures

• 🏠 Residential CCTV systems facing image flickering

• 🔧 Multi-camera setups with visible video interference

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🛠️ Easy Installation Guide

1. Disconnect the BNC cable from your DVR or monitor

2. Insert the BNC Isolator between camera cable and DVR input

3. Ensure tight connection on both sides (male & female ends)

4. Power on the system – enjoy clear, interference-free video!

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📦 Product Specifications

• Type: Passive Ground Loop Video Isolator

• Interface: BNC Male to BNC Female

• Supported Resolutions: Up to 8MP analog video

• Compatible Brands: Hikvision, Dahua, Uniview, and generic DVRs

• Cable Type: Coaxial (RG59, RG6)

• Range: Effective for distances up to 600m

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📞 Contact Us for Bulk Orders & Installation

💼 CHOICECYCLE / SGCCTV – CCTV Accessories Supplier Singapore
📍 Visit: Sim Lim Square #02-81, Singapore
📞 WhatsApp: +65 9853 4404
✉ Email: [email protected]
🌐 Website: https://sgcctv.com.sg

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✅ How to Install a CCTV BNC Isolator and How It Works

A CCTV BNC isolator, also called a video ground loop isolator, is a small but powerful device used to eliminate video interference caused by electrical ground loops in CCTV systems.

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🧰 How to Install a BNC Isolator (Step-by-Step)

🔌 1. Identify the interference

• Look for signs such as horizontal lines, wavy video, ghosting, or flickering on your monitor.

• Usually, this happens when cameras and DVRs are powered from different electrical sources or are far apart.

🔧 2. Power off the system

• Always turn off your DVR/NVR and camera power supply before installation.

🔗 3. Disconnect the BNC cable

• Locate the video cable (usually RG59 or RG6 coaxial) connecting your camera to the DVR or monitor.

🔄 4. Insert the isolator

• Plug the male end of the BNC isolator into the DVR or monitor input.

• Connect the female end of the isolator to the incoming BNC video cable from the camera.

🔋 5. Power up and test

• Turn the system back on.

• Check the display — the interference (wavy lines, noise) should be gone.

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⚙️ How a BNC Ground Loop Isolator Works

When different parts of a CCTV system are grounded separately, voltage differences can occur between them, causing ground loops. These loops inject unwanted currents into the video signal, resulting in visual noise or distortion.

The BNC isolator acts as a high-frequency transformer that:

• Electrically isolates the camera and DVR video circuits

• Breaks the ground loop

• Allows only the video signal to pass through cleanly

It’s a passive device (requires no power) and does not degrade video quality.

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🎯 When to Use a CCTV Isolator

• Long cable runs (100m – 600m)

• Cameras powered from different sources than DVR

• Building with multiple grounding points or electrical noise

• Sites with metal structures (e.g. warehouses, lift lobbies)

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🛡️ Pro Tips

• Install the isolator as close to the DVR or monitor as possible for best effect

• For severe interference, use one isolator per channel

• Combine with surge protectors if lightning damage is a risk

 

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