The Agilent/Keysight 6448B is a precision DC power supply delivering 0–600 V at 0–1.5 A with 900 W total output capacity. Engineered for electronics development, manufacturing, and service environments, it combines tight load and line regulation with fast transient recovery and stable long-term output performance.
Technical Specifications
Output Range
• Voltage: 0–600 V
• Current: 0–1.5 A
• Total Power: 900 W
Load Regulation
• Voltage mode: 1 mV nominal; <120 mV for 0–2.5 A load change
• Current mode: 40 mA nominal; <25 mA for 0–120 VDC load change
Line Regulation (105–125 VAC input)
• Voltage mode: <60 mV
• Current mode: <25 mA
Stability & Temperature Performance
• Voltage temperature coefficient: 0.05% + 30 mV/°C
• Current temperature coefficient: 8 mA/°C
• Voltage stability (8 hours, constant temperature): 0.15% + 90 mV
• Current stability (8 hours, constant temperature): 25 mA
Transient Response
• Recovery time: <300 ms to within 600 mV of nominal after half-rated current step change
• Transient amplitude: <4.0 V/A for load changes between 20% and 100% of rated current
Physical
• Dimensions: 483 mm W × 432 mm D × 133 mm H (19" × 17" × 5.25")
• Weight: 50 lbs
– Key Features
• Overcurrent and overvoltage protection circuits
• Remote programming via external resistance or voltage source
• Auto-parallel and auto-tracking modes (up to three units; 6448B excludes auto-series)
• Safety Class I with protective earth terminal
• Internal fuse (non-customer accessible)
– Typical Applications
Electronics development, manufacturing test benches, equipment service and repair, laboratory characterization.
– Compatibility & Integration
Multiple units (6434B–6448B models) support auto-parallel and auto-tracking configurations for increased current or tracking operation. The 6448B cannot operate in auto-series mode.
