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Magnelab is one of the world’s most respected companies who design and manufacture AC current sensors and current transformers. We are also the original manufacturer of the split-core current transducer. All our transformers and transducers measure different AC current ratings, from microamperes to as much as 20,000 Amps. Our Rogowski Coil flexible-core RopeCT comes in lengths of between 12 and 48 inches and also have various amperage ratings. Furthermore, we design a range of high quality custom magnetics devices. We work together with individuals and industries such as energy monitoring, aerospace, computer and medical alike.

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.