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LEM Announces ITZ Transducer Series


Milwaukee, WI - LEM® is pleased to announce the availability of its ITZ transducer series throughout the United States. ITZ transducers provide galvanically isolated measurement of AC, DC and pulsed currents.


The high-accuracy product range, which employs advanced closed-loop Fluxgate technology, comprises 14 models for nominal current measurements from 600 A to 24 kA with apertures from 25.4 mm up to 150.3 mm diameter. Overall accuracies at ambient temperature (25°C) are a few ppm (parts per million: 1 ppm = 0.0001%). The initial offset error is under 2 ppm; linearity in the range of 1 – 10 ppm; and extremely low thermal drift of 0.1 to 0.6 ppm/K (ppm per degree Kelvin).

The transducers are configured as measurement head plus rack-mounted electronics. They deliver measurements as an output current or voltage: in addition to these normal signal outputs, the transducers also provide outputs indicating the transducer state.


ITZ-series transducers have very low output noise and bandwidth varying from 2 to 500 kHz (+/- 3 dB) according to the model. The transducers tolerate substantial overload currents (to over 30 kA in the case of the highest-rated unit) for up to 100 msec. They are powered by standard AC mains supplies of 100-240VAC, 50/60 Hz and operate over a temperature range from 0 to +55°C for the measuring heads and from +10 to +40°C for the electronics rack.


The ITZ series is covered by LEM’s standard 5-year Limited Liability Warranty.


LEM – At the heart of power electronics
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. LEM’s strategy is to exploit the intrinsic strengths of its core business, and to develop opportunities in existing and new markets with new applications. LEM is a mid-size, global company. It has production plants in Beijing (China), Geneva (Switzerland), Machida (Japan) and Copenhagen (Denmark). With its regional sales offices close to its clients’ locations, the company offers a seamless service around the globe. LEM is listed on the SIX Swiss Exchange since 1986; the company’s ticker symbol is LEHN

More From 7/2/2012 on FacilitiesNet