The Keithley 6220 Precision Current Source provides highly stable and ultra-low-noise DC current sourcing for applications that demand accuracy at the femtoampere level. With a sourcing range from 100 fA to 100 mA, it enables researchers and engineers to characterize devices and materials with exceptional precision.
Engineered for integration into advanced test setups, the 6220 delivers programmable current outputs with minimal noise, ensuring reliable results in fields such as semiconductor device testing, nanomaterials research, superconductor evaluation, and contact resistance measurements. It can also be paired with the Keithley 2182A Nanovoltmeter to create a complete Delta Mode system, allowing synchronized current sourcing and voltage measurements with unmatched accuracy.
With standard GPIB and RS-232 interfaces, the 6220 supports automated test environments, while its compact form factor makes it suitable for both laboratory and production use.
Key Features:
Precision current sourcing from 100 fA to 100 mA
Extremely low noise output for stable, repeatable measurements
Delta Mode compatible when paired with Keithley 2182A Nanovoltmeter
High resolution and stability for ultra-low-level testing
GPIB and RS-232 interfaces for system integration
Compact, bench- or rack-mountable design
Applications:
Ultra-low resistance and contact resistance measurements
Semiconductor device characterization
Superconductor and nanomaterials research
Insulation and leakage current testing
Automated quality control and production test setups
Included Accessories:
Triaxial cables
Power cord
User manual and documentation
Compliance:
CE and UL certified
Manufactured under ISO 9001 quality systems
Benefits:
Provides femtoamp-level sourcing accuracy
Reduces noise and drift for precise results
Flexible for both research labs and industrial testing
Pairs seamlessly with the Keithley 2182A for enhanced measurement performance





