PowerGuru – Power Electronics Information Portal

  25% less bulky due to reduced power losses; Improved accuracy and temperature stability Fully-isolated nominal measurement of 600-4200V DC, AC or pulsed Compact, light and robust package Combines 12 kV insulation with unmatched immunity against electromagnetic disturbances Meets latest IRIS requirements for rail traction applications LEM introduces the DVM series for insulated nominal voltage [...]

  LEM introduces the GHS series: miniature, integrated circuit transducers for AC and DC isolated current measurement up to 100 KHz. These new components offer full isolation despite their small size, integrating the primary conductor for nominal current measurements of 10A, 12A, 16A or 20A with a measurement span of 2.5 times the nominal current, [...]

  LEM announces digital output versions of HO and HLSR open-loop Hall effect current transducers with analog to digital (A/D) conversion performed by an on-board sigma-delta modulator, giving a 1-bit serial bitstream output. These new components for nominal current measurements of 10, 32, 50, 80, 100, 120, 150, 200, 250 ARMS in 3 different mechanical [...]

  LEM introduces a new LEM City range of products for future Smart Cities offering innovative and high quality solutions for measuring electrical parameters in Smart Grids, Industry 4.0 and renewable energy market. LEM has developed the “ART” Rogowski current sensor to measure current of up to 10000A AC and beyond. The ART achieves IEC [...]

  LEM announces the LH family of transducers, a new range that can be mounted on printed circuit boards (PCBs) for non-intrusive, isolated measurements of DC, AC and pulsed currents from 25A to 100A nominal. The family consists of three new models: LH 25-NP, LH 50-P and LH 100-P. These new transducers are based on [...]

  LEM extends its range of high-accuracy current transducers, announcing the new series of IT xx5 transducers for non-intrusive and isolated nominal measurements of DC, AC and pulsed currents from 60 A to 600 A. The range includes 4 new models: IT 65-S, IT 205-S, IT 405-S and IT 605-S. These new models offer an [...]

  LEM announces the new range of LF xx10 transducers for non-intrusive and isolated nominal measurements of DC, AC and pulsed currents from 100 A to 2000 A with 4 new series: LF 210-S, LF 310-S, LF 510-S, LF 1010-S.  A fifth, the LF 2010-S will be available in February 2015. LEM has developed a [...]

  Open-loop Hall-effect ASIC-based current transducers measure up to 25 0 A DC, AC or pulsed Over-current detection and fault reporting Wide operating temperature range from -40 to +105ºC PCB-mount & panel-mount options with aperture or integrated primary conductor   LEM announces the addition of three new HO series of high performance current transducers which [...]

  Open-loop Hall-effect ASIC based devices measuring up to 25A DC, AC or pulsed Over-current detection, fault reporting functions Operate over -40 to +105ºC PCB-mount design with aperture for the primary conductor   LEM has added three new members to its HO series of PCB-through-hole mounting current transducers, which provide an aperture of 8 x [...]

    The use of new process technologies enables the new generation of LEM open-loop Hall-effect current transducers to combine the performance of closed-loop current transducers but at a significantly lower price.   In today’s power electronics, the most widely discussed topic is the search for increased energy saving and control. Across all types of [...]