The Agilent/Keysight 6181B is a precision DC current source engineered for applications requiring stable, accurate current delivery with minimal ripple. This manually operated instrument provides 0 to 250 mA full-scale current output with voltage compliance to 100 V, making it suitable for demanding measurement and characterization tasks across semiconductor, electrochemical, and resistivity testing environments.
Technical Specifications
• Output current: 0 to 250 mA full-scale
• Voltage compliance: Up to 100 V
• Output impedance: High
• Current control: 10-turn graduated decadial (Option 014 / 015)
• AC input: 230 VAC operation available (Option 028)
• Output capacitor: None
• Regulation and stability: Exceptional with very low ripple characteristics
– Key Features
• Manual current source operation with precision control
• High output impedance for stable current delivery into varying load conditions
• Decadial control knob enables fine adjustment of output current
• No output capacitor eliminates charge storage effects
• Safety Class I design with protective earth terminal
• Internal fuse protection (non-customer accessible)
– Typical Applications
• Resistivity measurements
• Semiconductor characterization
• Electrochemistry
• Electromagnetics
• Component testing and sensor calibration
• Research requiring precision DC current injection
– Compatibility & Integration
The 6181B operates as a standalone precision current source with manual control. It requires connection to AC mains via a grounded power cable. Operation in hazardous atmospheres containing flammable gases or fumes is prohibited. Service access and internal inspection are restricted to qualified, service-trained personnel.
