720A Kelvin-Varley Divider

 

Description

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

Highlights

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

Specifications

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.)

detailed specifications (.pdf)

Models and Accessories

Model Name Description
720A Kelvin-Varley Voltage Divider

Knowledge and Information

Product Manuals
application/pdf icon 720A Instruction Manual (9.38 MB)
application/pdf icon 720A Instruction Manual Supplement (32.75 KB)
application/pdf icon 720A Statement of Memory Volatility (16.41 KB)