Guildline Instruments – DCC Resistance Bridges 6640Q

GUILDLINE INSTRUMENTS 6640Q QUANTUM HALL RESISTANCE (QHR) BRIDGE has been completely redesigned to provide better uncertainties and more operational capability.


Keyfeatures :

• New Patented Toroid Design
• New Dual Processor Design
• New Dedicated High Speed Real-Time Processor For Fast Measurements
• New Built-in Windows 10 Computer and Touch Screen Display Providing Complete Measurement Results and Graphs
• Best Accuracy: ± 0.015 ppm of Reading at QHR currents of 30 µA – 100 µA with Interchange
• Fasted Measurement Speed of 2 Seconds
• Change All Key parameters “On-the-Fly” While the Measurement is Running
• Linearity: ± 0.005 ppm of Full Scale
• Resolution: ± 0.0001 ppm of Full Scale
• Fully Programmable USB, IEEE 488.2
• Industry Standard SCPI Programming Command Language
• BridgeWorksTM Data Acquisition Software
• Unique Calibration Support Strategy
• Complete Automated Measurements
• Quantum Hall Turn-Key Systems Available