Keithley 6485/J Picoammeter 100Vac Line Voltage

The Keithley 6485/J Picoammeter provides accurate, low-noise measurements of currents from 20 fA to 20 mA, making it a versatile tool for research, quality assurance, and system integration. With femtoamp-level resolution and a wide dynamic range, it delivers the sensitivity of a traditional electrometer at a fraction of the cost, making it ideal for applications in optical, nanotechnology, materials, and device testing.

The instrument features a built-in IEEE-488 (GPIB) and RS-232 interface, enabling seamless integration into automated systems. Its compact and cost-effective design makes it a practical choice for bench-top use or rack-mount system configurations.

This “/J” variant is configured for 100Vac line voltage operation, making it suitable for specific regional power requirements.

Key Features:

• Measurement range: 20 fA to 20 mA

• 10 fA resolution for ultra-low current detection

• Accuracy better than 0.4%

• Wide dynamic range with automatic range selection

• IEEE-488 (GPIB) and RS-232 interfaces for easy integration

• Compact, bench-friendly form factor

• Operates on 100Vac line voltage (regional variant)

Applications:

• Photodiode and sensor characterization

• Leakage current testing

• Nanotechnology and material research

• Environmental testing with picoamp sensitivity

• Automated device testing in production or QA environments

Included Accessories:

• Standard triaxial input cable

• User documentation

• Power cord (100Vac region-specific)

Compliance:

• CE and UL certified

• Manufactured under ISO 9001 quality standards

Benefits for Lab & System Users:

• Achieve electrometer-grade performance at a lower cost

• Flexible enough for bench-top and system test setups

• High-resolution, low-noise design ensures accurate, repeatable results

• Optimized for global use with specific voltage configuration (100Vac)