Back to top

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 (10)

Image of LEM USA LF xx10 Series Current Transducers

LF xx10 Series Current Transducers

LEM USA’s LF xx10 series current transducers have a highly accurate current measurement from 100 A RMS up to 2000 A RMS.

Learn More
Image of LEM USA 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.

Learn More
Image of LEM USA 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.

Learn More
Image of  LEM USA's HLSR Series Current Transducers

HLSR Series Current Transducers

The HLSR series current transducers from LEM USA bring an additional pin at the output for more flexibility in applications.

Learn More
Image of LEM USA Inc's HO-NP Series Current Transducers

HO-NP Series Current Transducers

LEM USA's HO-NP series offers a compact design that is ideal for THT PCB mounting and application on static converters for DC motors.

Learn More
Image of LEM USA Inc's HO-S Series Current Transducers

HO-S Series Current Transducers

LEM USA's HO-S series open loop multi-range current transducers offer factory calibration and galvanic separation between primary and secondary circuit to make them ideal for a variety of applications.

Learn More

Product Training Modules View All (10)

LF xx10 Series

LF xx10 Range Overview

Duration: 10 minutes

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

398-1141-ND

HO Series of Mid Range Current Transducers

Duration: 10 minutes

Programmable via a serial digital bit-sequence, generated by the system's host microcontroller.

ASIC transducer

HO-6, 10, 25-P Series PCB mount with Aperture ASIC based Open Loop

Duration: 5 minutes

A revolutionary product in that it can be programmed for multiple current measurement ranges and features.

LA 130-150 Series

LA 130-150 Series

Duration: 5 minutes

The improvements brought on by updates in technology and manufacturing.

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.