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Magnelab is one of the world’s most respected designers and manufacturers of AC current sensors and transformers. We are the original manufacturer of split-core current transducers. All of our transformers and transducers measure various AC current ratings, from microamperes to as many as 20,000 Amps. Our Rogowski Coil flexible-core RopeCTs differ in length from 12 to 48 inches, with various amperage ratings. We also design a range of high quality custom magnetic devices. We work together with individuals and organizations in energy monitoring, aerospace, computer, medical industries and more.

Producing quality magnetics for more than 46 years

- founded in 1968 -
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    Accurate AC Measurement

    Magnelab RGB series permits any of our current sensors to perform as a highly accurate revenue grade measuring device.

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    Medical Transformers

    High Isolation Transformers
    Magnelab series of REM transformers provide up to 15,000 volt isolation for patient safety.

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    Liquid Salinity Sensor

    Would you like to measure the salinity of a liquid (blood) without physically touching it?  Patent Pending

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    Custom Designs

    Wide range of magnetics designs
    Magnelab engineering team is available to design your most challenging projects.

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    Rogowski Coil

    Flexible Rope-like sensors. Magnelab is the first US manufacturer of Rogowski Coil current sensors measuring current up to thousands of Amps.

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    Military Applications

    Where reliability and safety come first.  Magnelab engineering is experienced in mission-critical applications for stringent environmental applications.