The Agilent/Keysight 6181C is a precision DC current source delivering stable, accurate current outputs from 0 to 100 mA with 1 µA resolution and ±0.1% accuracy. Purpose-built for component testing, sensor calibration, and materials research, the instrument combines front-panel local control with remote analog programming for seamless integration into automated test systems.
Technical Specifications
Output Performance
• Current range: 0 to 100 mA
• Current resolution: 1 µA
• Current accuracy: ±0.1% of setting ± 10 µA
• Current stability (8-hour warm-up): ±(0.05% of setting + 5 µA)
• Load regulation: <0.01% of max current across 0 to max compliance voltage
• Line regulation: <0.01% of max current for ±10% AC input variation
• Programming speed (zero to full scale): <10 ms
• Output ripple and noise (RMS): <20 µA
• Output ripple and noise (peak-to-peak): <100 µA
Voltage Compliance
• Range: 0 to 30 V
• Accuracy: ±1% of setting ± 0.5 V
• Resolution: 10 mV
Control & Programming
• Local control via front panel potentiometers and switches
• Remote analog programming: 0 to 10 VDC input for both current (0–100 mA) and voltage (0–30 V)
• Output enable/disable via front panel and remote control
Protection
• Overvoltage protection (adjustable)
• Overcurrent protection with internal current limiting
• Thermal shutdown mechanism
Power & Physical
• Input: 105–127 VAC or 210–250 VAC, 50/60 Hz
• Power consumption: ~150 VA
• Dimensions: 133 mm × 216 mm × 349 mm (H × W × D)
• Weight: 9.1 kg
• Optional rack mount kit available
Environmental
• Operating temperature: 0°C to 50°C
• Storage temperature: -40°C to 75°C
• Humidity: 20% to 80% RH, non-condensing
– Key Features
• Analog remote programming interface for automated test environments
• Excellent load and line regulation for stable sourcing across varying impedances
• Low ripple and noise performance supports sensitive measurements
• Dual input voltage compatibility simplifies international deployment
– Typical Applications
• Discrete component and integrated circuit testing
• Precision sensor calibration and characterization
• Materials research requiring controlled current stimulation
• Automated test system integration via analog control
– Compatibility & Integration
The 6181C accepts 0 to 10 VDC programming signals for both current and voltage compliance, enabling direct integration with data acquisition systems, function generators, and automated test equipment. Front-panel controls provide independent manual operation when remote programming is not required.
