The Agilent/Keysight 6438B is a precision DC power supply delivering 0–60 Vdc at 0–5 A with 300 W maximum output. Built for research, development, and manufacturing environments, it combines programmable voltage and current control with constant voltage/constant current operation modes and comprehensive protection circuitry. Remote sensing and programming capabilities enable integration into automated test systems.
Technical Specifications
Output Power
• Voltage: 0–60 Vdc
• Current: 0–5 A
• Power: 300 W maximum
• Output Inductance: 1.0 μH
Constant Voltage Regulation
• Load Effect: <60 mV (0–5 A change)
• Source Effect: <30 mV (105–125 Vac input change)
• Temperature Coefficient: 0.05% + 15 mV/°C
Constant Current Regulation
• Load Effect: <50 mA (0–60 Vdc load change)
• Source Effect: <50 mA (105–125 Vac input change)
• Temperature Coefficient: 15 mA/°C
AC Power Input
• Voltage: 105–125 Vac
• Frequency: 57–63 Hz
• Input Current: 6.5 A
• Power Consumption: 400 W maximum
Ripple & Noise
• Peak-to-Peak Ripple: Line-frequency independent
– Key Features
• CV/CC operation modes
• Remote sensing for accurate load-point regulation
• Remote programming via resistance or voltage source
• Overvoltage protection (optional internal crowbar)
• Overcurrent and overload protection with front-panel indication
• Over-temperature protection with automatic transformer disconnect
• Soft-start circuit limiting inrush current during power-on
• Phase-balance compensation permitting up to 8% line voltage imbalance
– Physical Characteristics
• 19-inch rack-mount format
• Dimensions: 89 mm H × 483 mm W × 445 mm D (3.5" × 19" × 17.5")
– Compatibility & Integration
Supports remote sensing and remote programming interfaces for system integration. Designed for use in automated test environments and bench-level laboratory setups.
