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AC current sensors with interface...

Discussion in 'Electronic Design' started by Geir Holmavatn, May 20, 2010.

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  1. Hi,

    I'm looking for non-contact current sensors for 0-60/70A AC connected to
    some digital interface (1-wire, GPIB, RS422, ethernet etc). The
    measured cable should run through a hole in the sensor and not be
    galvanically connected.

    I need to monitor and register AC current with a computer from different
    appliances...

    Thanks for comments and tips on where I can find such sensors..

    regards Geir
     
  2. Jamie

    Jamie Guest

    You need a CT "Current Transformer"

    They also have HALL devices with integrated components to give you a
    0..10V output for current..

    http://en.wikipedia.org/wiki/Current_transformer

    http://www.automationdirect.com/adc...&type=search&gclid=CLP8nuD24aECFRY75QodSWZnJw

    http://www.bergoz.com/products/CT/CT.html

    http://www.littelfuse.com/protection-relays/introduction/ct-selection-guide.html

    THat should give you started.
     
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