LEM
LEM is the market leader in providing innovative and high quality solutions for measuring electrical parameters. Its core products - current and voltage transducers - are used in a broad range of applications in drives & welding, renewable energies & power supplies, traction, high precision, conventional and green cars businesses.
- +41 22 706 11 11
- +41 22 794 94 78
- Route du Nant-d’Avril, 152
Meyrin, 1217
Switzerland
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Integrated Current Sensors
GO series
*Standard package and small footprint*Cost effective*A perfect compromise for small drives, robots, solar inverters, e-bikes etc.
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Rogowski Coil
INTEGRATORS FOR ROGOWSKI COILS
*High accuracy Class 0.5 (IEC 61869-2)*Combined with LEM ART & ARU class 0.5 Rogowski coils, they offer a universal metering and monitoring solution easily integrated with a monitoring device.*DIN rail mounted.
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Rogowski Coil
ARU Series
*Class accuracy 0.5 conductor centered according to IEC 61869-10*Better than 1% accuracy regardless of the primary conductor’s position*Rated insulation voltage 1kV CATIII
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Integrated Current Sensors
Current sensors have to be smaller, smarter, cheaper. LEM’s R&D is actively developing a range of ICS to reduce the footprint of the current sensing function and simplify the integration of current measurement in a wide range of applications in automotive, industrial, or residential.
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Energy Meters
Energy meters play a crucial role in the control and management of energy, offering key information for improving energy efficiency. Energy meters enable the trading of electricity and billing processes for both end users and businesses. Through energy meters, monitoring and energy consumption optimization can be achieved.
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Energy Meters
EM4T II
*Accuracy <0.5R according to EN 50463-2*Compliant with EN 50463:2017*Can be utilized with power supplies (24V and 110V DC nominal)*4 input channels for metering of both AC and DC signals of any existing traction network (600V DC to 3kV DC, 15kV AC 16,7Hz, 25kV AC 50Hz)
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Energy Meters
DCBM 400 / 600
*Split concept for easy integration*Range of operation 150 to 1000 V DC*Two sizes: Imax 400 A and Imax 600 A*Bi-directional energy metering*Wide operating temperature range
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Rogowski Coil
ART Series
*Class accuracy 0.5 conductor centered according to IEC 61869-10*Better than 0.75% accuracy regardless of the primary conductor’s position*Rated insulation voltage 1kV CATIII
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Integrated Current Sensors
FHS Series
*Standard package and small footprint*Cost effective*Standard SOIC 8 surface mount PCB
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Integrated Current Sensors
HMSR series
*SOIC 16 compatible footprint*Great accuracy: Typical accuracy is 0.5% over temperature and the measurement range -Small hysteresis of <<0.5%*Strong immunity
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Current Transducer
IN 1000-S
For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit. 1000 A nominal, 3 ppm linearity over the temp. range, Very low offset drift 19.5 ppm, low noise 34 ppm peak-peak, -40 to +85°C, one compact package.
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Energy Meters
TEMA4G
*Accuracy < 0.5R according to EN 50463-2*Compliant with EN 50463:2017*4 input channels for metering of both AC and DC signals of any existing traction network (600V DC to 3kV DC, 15kV AC 16,7Hz, 25kV AC 50Hz)
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Rogowski Coil
A Rogowski coil produces a voltage output based on the rate of change of the current input. The absence of magnetic core ensures low inductance and comes with no saturation, resulting with a fast response and no inserted losses.
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