The DM series delivers high-accuracy, galvanically isolated AC and DC current measurement using closed-loop fluxgate technology. Designed for high-current applications up to 1200 A nominal, it combines very low offset and drift with wide bandwidth performance, making it well suited for precision power analysis, high-power inverter testing, and demanding power electronics applications.
The DM 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 DM 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 Ø40 mm aperture and current-output interface, enabling easy integration with precision power analyzers, data acquisition systems, and custom test setups.
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
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) | 1200 A rms |
| Nominal current (DC) | ±1500 A |
| Primary / secondary ratio | 1500:1 |
| Bandwidth | 400 kHz (±3 dB) |
| Total accuracy | 0.0004% of reading + 0.00002% of full scale (≤100 Hz) |
| Linearity | ±1 ppm |
| Offset | ±5 ppm |
| Aperture diameter | 45 mm |
| Output interface | Current output via D-sub-9 connector |
| Manufacturer | Danisense |