FE720A

A primary standard for ratio measurements Model 720A Kelvin-Varley Divider is a high-resolution primary ratio standard with absolute linearity of 0.1 ppm, temperature coefficient of linearity of 0.1 ppm/ºC, and self-calibration capability. • 0.1 ppm resolution, seven decades • 0.1 ppm of input absolute linearity • Built-in self calibration bridge • Front panel self-calibration General Specifications: Ratio Range: 0:1.1 Input Range: 0V to 1100V Resolution: 0.1 ppm of input with seven decades Terminal Linearity: ±0.1 ppm Calibration Documentation: Reports of Calibration are optional Size: 14 cm H x 48.2 cm W x 33 cm D, rack mounted (5.5 in H x 19 in W x 13 in D) Weight: 8.16 kg (18 lbs.)