The Rohde & Schwarz HMP4040 is a four-channel programmable DC power supply delivering 384 W total output power for research, development, industrial testing, and laboratory environments. Each of the four independent floating channels provides 0–32 V at 0–5 A with up to 160 W per channel, featuring 1 mV voltage and 1 mA current setting resolution. Voltage stability holds to ≤0.01% + 2 mV under both load and line variations, while current stability maintains ≤0.02% + 2 mA. Output ripple and noise measure ≤1 mVrms (voltage) and ≤5 mArms (current). Load transient response completes in 0.95.
– Technical Specifications
• Channels: 4 independent floating outputs
• Voltage Range: 0–32 V per channel
• Current Range: 0–5 A per channel
• Power per Channel: Up to 160 W
• Total Output Power: 384 W
• Voltage Setting Resolution: 1 mV
• Current Setting Resolution: 1 mA
• Voltage Stability (Load & Line): ≤0.01% + 2 mV
• Current Stability (Load & Line): ≤0.02% + 2 mA
• Voltage Ripple & Noise: ≤1 mVrms (typical)
• Current Ripple & Noise: ≤5 mArms (typical)
• Load Response Time (10–90%): 0.95
– Key Features
• Adjustable overvoltage and overcurrent protection on all channels
• Short-circuit, over-temperature, and reverse polarity protection
• Remote sensing for load-point voltage accuracy
• USB and Ethernet interfaces with SCPI compatibility
• Web-based remote control interface
• Real-time display of voltage, current, power, and channel status
– Typical Applications
• Device characterization and burn-in testing
• Component validation in automated test systems
• Multi-supply circuit development and bench work
• Educational laboratory demonstrations
– Compatibility & Integration
USB and Ethernet ports support SCPI commands for integration into automated measurement systems. Remote sensing enables voltage regulation directly at the device under test. Web interface permits off-site monitoring and control.
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