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LEM

- LEM (Liaisons Electroniques et Mecaniques) is an international group and the world leader in current and voltage sensing. LEM manufactures Hall effect, cost effective, isolated current and voltage transducers used in a wide range of power electronics applications such as: Uninterruptible Power Supplies, Switch-Mode Power Supplies, converters, motor drives, battery monitoring, for the industrial, automotive and railroad markets.

The current and voltage transducers measure DC, AC and complex waveform signals and provide galvanic isolation. They are all designed and manufactured according to the most demanding standards, in world class manufacturing facilities in America, Europe and Japan.

Newest Products View All (12)

Image of LEM USA's GHS-SME Series Surface Mount Current Transducer

GHS-SME Series Surface Mount Current Transducer

LEM USA's GHS-SME series parts for the electronic measurement of DC, AC, and pulsed current with galvanic separation between to primary and secondary circuits for various applications.

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Image of LEM's ART Series Split Core Rogowski Coils

ART Series Split Core Rogowski Coils

LEM's ART series provides ease of use with its flexible clip-around application for a wide range of cable diameters. The patented Perfect Loop Technology dramatically reduces both the error due to the position of the measured conductor within the aperture, and the error due to the proximity of external conductors.

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Image of LEM USA's HO-P Series of 60 A, 100 A, 120 A, 180 A, 240 A, and 250 A Current Transducers

HO-P Series of 60 A, 100 A, 120 A, 180 A, 240 A, and 250 A Current Transducers

Introducing LEM USA’s HO-P series of 60 A, 100 A, 120 A, 180 A, 240 A, and 250 A current transducers for the electronic measurement of DC, AC, and pulsed current with galvanic separation between the primary and the secondary circuit.

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Image of LEM USA's LF xx10 Series Current Transducers

LF xx10 Series Current Transducers

LEM USA’s LF xx10 series current transducers have a highly accurate current measurement rated for 200 A RMS up to 2000 A RMS.

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Image of LEM USA's HO-P Series of 6 A, 10 A, and 25 A Current Transducers

HO-P Series of 6 A, 10 A, and 25 A Current Transducers

Introducing LEM USA’s HO-P series of 6 A, 10 A, and 25 A current transducers for the electronic measurement of DC, AC, and pulsed current, with galvanic separation between the primary and the secondary circuit.

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Image of  LEM USA's HLSR Series Current Transducers

HLSR Series Current Transducers

The HLSR series current transducers from LEM USA brings performance in a small package, allowing for more-compact designs.

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Product Training Modules View All (12)

ART-SM

Smart-Grid Focused ART Series of Rogowski Coils

Duration: 5 minutes

The presentation will cover the features, applications, and key points of the ART series.

GHS-SM

GHS Series, Integrated Primary Transducer

Duration: 5 minutes

This presentation will introduce the LEM GHS Series, Integrated Primary Transducer.

LF xx10 Series

LF xx10 Range Overview

Duration: 10 minutes

LEM’s LF xx10 offers a complete series for high-performance measurements in a compact size

ASIC transducer

HO Series of Mid Range Current Transducers

Duration: 10 minutes

Programmable options for performance provide a customized product to better-suit applications.

Featured Videos View All (1)

Lem Overview

This video shows that LEM is the market leader in providing innovative and high quality solutions for measuring electrical parameters for a broad range of applications.

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