6622A SERIES DIRECT CURRENT COMPARATOR RESISTANCE BRIDGE
PRODUCT FEATURES
- Widest Available Range from 1 mΩ ~1 GΩ
- Best Accuracy: ± 0.015 ppm of Reading
- Modular Design, Expandable Capabilities, Complete Investment Protection
- Full 10.5 Digits (0.1 ppb) Display Resolution
- Unique Measurement Trending Display
- Provides Measurement Results on Display
- Change All Key Parameters “IN-REAL-TIME” While the Measurement is Running
- Internal Voltages up to 1000 Vdc
- Linearity: ± 0.01 ppm of Full Scale
- Resolution: ± 0.0001 ppm of Full Scale
- Temperature Option Available
- Wide Range of Ratios: 0.1:1 ~ 100:1
- Extended Low End Range Down to 1 μΩ with Currents Up to 10,000 A
- Range Extenders in 150 A Increments with Built-In Power Supplies and Electronic Switching
- Fully Programmable IEEE 488.2
- BridgeWorksTM Data Acquisition Software
- Unique Calibration Support Strategy
- Complete Measurement Systems Available
6623A SERIES DCC BRIDGE “HIGH CURRENT” RANGE EXTENDERS
PRODUCT FEATURES
- Unique Guildline PATENTED Design
- Dual Design – Extender and Precision DC Source
- Design Includes Built-in Current Source with Electronic Polarity Switching
- Automatic Load Balancing
- NO External Power Supplies Required
- NO Need for any Mechanical Reversing Switches and Compressed Gas
- Advanced Modular Design, Over 64 Expandable Outputs in 150 A Increments to 10,000 Amperes, Investment Protection
- Linearity: ± 0.01 ppm of Full Scale
- Extended Low End Range Down to 0.1 µΩ
- Output Current Stability Typically < 10 ppm for 1000A and Higher – Best in the World!
- Programmed from 6622A Series Bridge
- Unique USB Programmable Controller (model 66259) Allows 6623A to be Used as Stand-Alone Precision DC Current Source
- Safety (Fault) Protections in Place
- Complete Shunt Measurement Systems Available
66252 DMM Switch
PRODUCT FEATURES
- Allows System’s Resistance Standards to Be Used as Resistance Sources
- Available In Bench Configurations (No Modification to Existing 6625A Systems)
- Usable Resistance Range 1Ω to 100 MΩ
- Input Impedance >1014
- Use With Any Number of Scanners and Includes Scanner Low Thermal Short
- Includes Lead Compensation Procedures For Low Resistance Connection to Long Scale DMM’s
6640Q QUANTUM HALL RESISTANCE (QHR) BRIDGE
PRODUCT FEATURES
- New Patented Torroid 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
- Does NOT Require an Annual Calibration
- 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
