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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product
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
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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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
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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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
FHS Series
*Standard package and small footprint*Cost effective*Standard SOIC 8 surface mount PCB
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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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product
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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Energy Meters
DCBM 100
*Voltage measurement 150 to 1000 V DC*Current range 80A*Bi-directional energy metering
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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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product
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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product
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)
