The LEM high precision product range covers transducers for nominal current measurements from 12.5 A to 25 kA, providing overall accuracy at 25°C from 1 ppm. These transducers have thermal offset drifts which are extremely low, from only 0.1 to 2.5 ppm/K. Transducers from 12.5 A to 60 A nominal can be used for PCB mounting, and Transducers from 60 A to 25 kA ae for panel or rack mounting.

To obtain these exceptional performances, closed loop fluxgate technology has been used, coupled with a top-class current transformer. This combination enables precision current transducers having high accuracy and dynamic performance with a wide measuring range.

Featuring galvanic isolated transducers, they can be used for current measurement of any kind of waveforms (including DC, AC, mixed, and complex) without any contact to the conductor.

Key Features

• Precision Current transducers
• Extremely high linearity in current measurement
• No insertion loses
• Very high reproducibility
• Extremely low temperature co-efficient
• Very low intrinsic noise data
• Unsurpassed dynamic range
• Very wide bandwidth
• High common mode rejection

Applications

• Current feedback in high performance power supplies
• Unsurpassed current stabilized power supplies for medical MRI
• Current feedback in Gradient amplifiers for medical MRI
• Reference class for Test and Calibration laboratories
• DC & AC current measurement for Power Analysis
• Differential current measurement on DC power lines
• Motor & Drive testing
• Precise and high stability inverters, Fuel cells and calibration units.
• Replacement of high precision shunts
• Precision Industrial Motor Controls

Series	Technology	Current range IPN (A)	Power Supply (V)	Accuracy @ 25°C % of IPN	Bandwidth (KHz)	Mounting
ITN 12-P	Fluxgate IT	12.5	+/- 15	<0.05%	DC-500	PCB
IT 60-1000-S	Fluxgate IT	60-1000	+/-15	<0.004 -0.03%	DC-800	Panel
IT 150-600-S	Fluxgate IT	150-600	+/-15	<0.0022-0.0088%	100	Panel
ITN 600-900-S	Fluxgate IT	600-900	+/-15	<0.002%	300	Panel
ITB 300-S	Fluxgate IT	300	+/- 15	<0.05%	100	Panel
ITL 900-T	Fluxgate IT	400	+/- 15	0.01%	DC-200	Panel
ITL 4000-S	Fluxgate	4000	+/-24	0.06%	DC-50	Panel
ITP	Fluxgate IT	40-5000	100/110/230 VAC 50-60 Hz	<0.0007 -0.0013%	DC-300	Measuring head+19" electronics rack