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Small black BNC male-to-female adapter with short cables on both ends

Bluecctv

Bluecctv HD CCTV Video Ground Loop Isolator 1080P 720P BNC 25cm

SKU CH-4PFE-BMM1X

Reduces ground-loop interference in CCTV systems with 25 cm BNC leads, supports 1080P and 720P analog formats, and requires no external power

  • Eliminates picture tearing and rolling with built-in video filter
  • Reduces ground-loop interference between points with different ground potentials
  • Passive design requires no external power supply
  • Surge protection via built-in TVS transient voltage suppressors
  • BNC male-to-female connectors with 25cm mini cables on both sides

Compatible Video Formats

This passive ground-loop isolator works with CVI 1080P, TVI 720P, TVI 1080P, AHD 720P and AHD 1080P analogue cameras. It uses BNC male-to-female connectors on 25 cm leads and requires no external power. The built-in video filter and TVS components suppress interference and protect against transient voltage spikes. Install it on new or existing cable runs to stop picture tearing, crosstalk and rolling caused by ground-potential differences.

Suitable Installations

The isolator suits installers who need to eliminate ground-loop distortion on the listed high-definition analogue formats. It is not suitable for CVI 720P systems, so buyers using that specific format should look at a different solution. No power supply is needed, making it simple to add to existing DVR setups where unbalanced mains loads create interference.

Key Specification

The single deciding specification is the list of supported video formats: CVI 1080P, TVI 720P, TVI 1080P, AHD 720P and AHD 1080P. If your cameras use any of these standards, the isolator will filter ground-loop noise; if they use CVI 720P, it will not work.

Highlights

  • Eliminates picture tearing and rolling with built-in video filter
  • Reduces ground-loop interference between points with different ground potentials
  • Passive design requires no external power supply
  • Surge protection via built-in TVS transient voltage suppressors
  • BNC male-to-female connectors with 25cm mini cables on both sides

Specifications

No published specifications for this item yet.

Questions about this item

What BNC connectors and cable length does the isolator use for fitting into a CCTV run?

It has a BNC male connector on one side and a BNC female on the other, each with a 25 cm mini cable for inline installation.

How do you install the isolator, and what common mistake should be avoided?

Connect the male end to the camera or DVR and the female end to the incoming coax; the mistake is reversing the direction so the ground-lift function does not engage.

Will the built-in TVS surge protection need replacement after a lightning strike?

The TVS components are sacrificial; after a significant surge they should be checked and the isolator replaced if clamping voltage has shifted.

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