6020A Resistance Ratio Bridge

  • 6020A Resistance Ratio Bridge
  • Next Generation Bridge
  • NEW Micro-Controller for improved speed and functionality
  • NEW capacitive touchscreen with enhanced design and easy-to-use operation
  • Best Accuracy < 0.025 µΩ/Ω
  • Maximum Ratio 14:1
  • IEEE488.2 Standard
  • System Integration with Measurements International (MI) Matrix Scanners and High-Current Range Extenders
  • NEW Zero Filter
  • NEW 1 kHz Sample Rate
  • NEW Selectable Settle Time & Measurement Time
  • NEW MI Software Package
  • Two Selectable Measurement Algorithms

 

Features & Benefits
Feature Benefit
DCCT based Provides excellent stability and range linearity.
Fast Reversal Rates Reversal rates as fast as 4 seconds without affecting Bridge accuracy.
Quick Measure Mode First Measurement < 30 seconds
New Mirco-Controller Improved speed, functionality for the most efficient unit operation.
National and Primary Lab Continuity Used by leading NMI’s, Energy, Defense, Aeronautical and Space organizations.
Up to 10,000 Amps Can be expanded for shunt calibrations and DCCT’s.
Specifications
0.1 Ω to 100 kΩ
Range (1:1 Ratio) Accuracy (µΩ/Ω) Range (1:10 Ratio) Accuracy (µΩ/Ω)
0.1 Ω  to 0.1 Ω 0.1 0.1 Ω to 1 Ω 0.1
1 Ω to 1 Ω 0.025 1 Ω to 10 Ω 0.03
10 Ω to 10 Ω 0.025 10 Ω to 100 Ω 0.03
100 Ω to 100 Ω 0.025 100 Ω to 1 kΩ 0.03
1 kΩ to 1 kΩ 0.025 1 kΩ to 10 kΩ 0.03
10 kΩ to 10 kΩ 0.1 1 kΩ to 12.9 kΩ 0.03
10 kΩ to 100 kΩ 0.05
  1. As a ratio device the accuracy specifications can be improved upon based on your standards and environmental conditions.
  2. Ratio bridge where the ratio accuracies can be verified at anytime using the interchange technique method for 1:1 ratio measurements with the following equation re=(Ra-1/Rb)/2
  3. Uncertainties follow GUM at 2 sigma level (95%) along with degrees of freedom
10 µΩ to 1 Ω
Range Accuracy (µΩ/Ω) With Range Extender (µΩ/Ω)
10 µΩ to 100 µΩ N/A < 0.5
100 µΩ to 1 mΩ N/A < 0.4
1 mΩ to 10 mΩ < 5 < 0.3
10 mΩ to 100 mΩ < 0.5 < 0.2
100 mΩ to 1 Ω < 0.1 < 0.2

 

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