Guildline Instruments 6623A-PCS Series of DC Precision High Current Systems introduces new patented designs to provide the best uncertainties of any DC high current sources (i.e. typically < 5 ppm at 1000 A) and the best in modularity.


  • 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