IET 1417 Overview

The 1417 Four-Terminal Capacitance Standard consists of a 1-µF standard capacitor and two precise inductive voltage dividers used to scale the value of the 1-µF capacitor up to 1 F in decade steps. This arrangement provides accuracy and stability unattainable with very high-value true capacitors.

• 0.25% basic capacitance accuracy
• 0.02 to 0.25% ratio accuracy
• Dissipation-factor standard

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