Intrinsically Accurate Self-Calibrating Ratio Divider, Best Accuracy < 0.05 ppm, Built-in 20-Channel Scanner, Arbitrary Voltages from 1 mV to 1200 V, Bipolar Voltage Measurements, Calibration of Fluke 5700A/5720A, Calibration of 3458A and 8508A, Calibration of Voltage Ratio Dividers (F752A, MI 1340A, G7520), Linearity Calibration of Digital Volt Meters (DVM), Traceability to 10 V Zener Reference.
A series of resistors or capacitors which can be tapped at any intermediate point to produce a specific fraction of the voltage applied between its ends.