The 6623A-PCS Series provides the widest range of expandable DC output currents with the best uncertainty/accuracy available today!


  • Unique PATENTED Design
  • Precision DC currents up to 10,000 Amperes!
  • Output Current Stability < 50 ppm for 1000 A and higher, Typically < 5 ppm!
  • Programmable from 66259 USB Controller, or from 6622A Series Bridges!
  • Modular Design, Expandable Capabilities in150 A Increments - Investment Protection!
  • Built-in Single-Source Output Current with Electronic Polarity Switching!
  • Eliminates Need for Mechanical Polarity Reversing Switches and Compressed Gas!
  • Linearity: ± 0.01 ppm of Full Scale!
  • Safety (Fault) Protections in Place!
  • Complete Measurement Systems Available!
  • Ideal for Calibrating DC Power Supplies and DC Shunts!