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Eliminate Ground Loop Interference that Results in Poor Video Quality from your Surveillance Camera
Enforcer In-Line BNC Ground Loop Isolator
Enforcer In-Line BNC Ground Loop Isolator
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Typical Installation
Enforcer In-Line BNC Ground Loop Isolator
Item# 70431
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Overview

  • Reduce RF interference, cross talk, picture tearing, and other picture quality problems
  • Gold-plated BNC connector improves reliability and product life
  • Passive device, no power is required
  • BNC terminals for easy installation

Essential Info

Whether you have an existing surveillance camera system or are planning to add one, the Enforcer In-Line BNC Ground Loop Isolator may be just what you are looking for to eliminate ground loop interference that causes a bad picture. Ground loop interference is typically caused by unbalance power line loads between your surveillance camera and monitor; this often results in a video signal that displays hum bars, RF interference or cross talk. By using this ground loop isolator, you can reduce that interference and ensure that you will have a clear picture when you need it most. The isolator is a passive device (requires no power for operation) with a built-in surge suppressor that installs in-line between your surveillance camera and your monitor. It is equipped with a BNC male input and a BNC female output, BNC and coaxial connectors and adapter are sold separately.

Manuals/Software

What's Included

  • Enforcer In-Line BNC Ground Loop Isolator
  • Owner's manual
  • More Info

    Typical Effects of Ground Loop Interference
  • Hum Bars: The mains frequency (50 Hz or 60 Hz) can cause stationary or moving horizontal humming bar to appear on the video signal (as shown on the picture above). If you have light dimmers nearby those humming bars can easily become quite severe and easily visible.
  • RF Interference: Herring bone interference on video line is caused by a ground loop (that includes your coax shield) acting as an AM radio antenna. Any large loop of wire makes a good AM antenna. These antennas are especially adept at picking up AM broadcasts if most of the loop is vertical.
  • Cross-Talk: Ground loops can cause one signal to interfere with another, because every cable should ideally return through the corresponding shield conductor, but there's an alternative path through the other shield conductor which causes undesirable voltage differences to nearby cables.

    Installation
    Video ground loop isolators should be installed on the camera side of your cable and can be used with standard BNC coax cable or with video baluns over Cat. 5 Unshielded Twisted Pair (UTP) cable.

  • Specifications

    Specifications

    Manufacturer:SECO-LARM
    Manufacturer Product No.:VG-1C12AQ
    Bandwidth:Video DC to 8MHz
    Maximum Input:1.0Vp-p
    Insertion Loss:<0.5dB
    Frequency Response:0-3dB at 10MHz
    Isolation Voltage:600VDC (Min)
    Insulation Resistance:100M Ohm
    Connectors:In: BNC Male, Out: BNC Female
    Impedance:75 ohm (BNC to BNC)
    Dimensions:2 3/16" x 1 7/32" x 1" (55mm x 31mm x 26 mm)
    Material:ABS Black
    Temperature:Operating temp. 32°~131° F (0°~55° C)
    Certifications:RoHS


    Important notes:
    Only merchandise credit for defective items returned within 30 days of purchase. No other returns allowed on this item.
    Manufacturer contact information: SECO-LARM USA Inc, Tel: (949) 261-2999

    Images/Video

    Typical Installation       
    Typical Installation       

    Reviews

    3 Ratings
    5 star: 33%  (1)
    4 star: 0%  (0)
    3 star: 0%  (0)
    2 star: 0%  (0)
    1 star: 67%  (2)
    Average Customer Rating
    (3 customer ratings)
    Share your thoughts with other customers
    ROSS -- york, SC   6/20/2011
    5 star. Items arrived in timely manner, were installed and took care of problem.

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