Chauvin Arnoux D33N [P01120052A] 2400A AC Current Probe Adapter. The Chauvin Arnoux DN series comprises a range of high-performance clamp-on AC current probes designed for high current measurements. Their excellent current transformation ratios and low phase shift, combined with a broad frequency response, allows highly accurate current and power measurements. High-quality magnetic cores and windings mean high precision current measurement up to 3,000 A (AC). The rectangular jaws can be used to clamp large-diameter cables or Busbars.