DL Series Current Transducer

The DL series is a high-accuracy, galvanically isolated AC and DC current transducer using closed-loop fluxgate technology. Rated for up to 2000 A nominal, it delivers ppm-class accuracy with low offset and excellent stability, making it ideal for precision power analysis, EV and battery test systems, and other high-current power electronics applications.

The DL series current transducers provide ultra-high accuracy, galvanically isolated AC and DC current measurement for demanding power electronics and energy applications. Based on closed-loop fluxgate technology, the DL series delivers excellent linearity, low offset drift, and wide bandwidth, making it well suited for precision power analysis, EV test benches, and laboratory or production test environments.

All DS models feature a compact mechanical design with a Ø68 mm aperture and current-output interface, enabling easy integration with precision power analyzers, data acquisition systems, and custom test setups.

Key Features

  • Closed-loop fluxgate sensing for high accuracy and long-term stability

  • Galvanic isolation between primary conductor and output

  • Very low offset and offset drift

  • Excellent linearity across the full measurement range

  • Wide bandwidth to capture fast current transients

  • Compact form factor with large aperture for busbars and cables

  • Current output via D-sub-9 connector with status indication

Typical Applications

  • EV inverter and motor test benches

  • Power analyzer front ends and calibration setups

  • Battery cycling and energy storage testing

  • Power electronics R&D and validation

  • Precision current measurement in laboratory and production environments

Parameter Specification
Nominal current (AC) 2000 A rms
Nominal current (DC) ±3000 A
Primary / secondary ratio 1500:1
Bandwidth 300 kHz (±3 dB)
Total accuracy 0.0004% of reading + 0.00002% of full scale (≤100 Hz)
Linearity ±1 ppm
Offset ±6 ppm
Aperture diameter 68 mm
Output interface Current output via D-sub-9 connector
Manufacturer Danisense

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