Agilent/Keysight 6181C DC Power Supply

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

• 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.