The HP/Agilent 6525A is a high-voltage DC power supply delivering continuously variable output from 0 to 4000 VDC at up to 50 mA, with 200 W total power capacity. Built for precision measurement, laboratory testing, and research applications requiring stable high-voltage sources, this unit combines automatic CV/CC crossover protection with exceptional load and line regulation. Convection cooling eliminates fan noise and moving parts, ensuring silent operation in sensitive measurement environments.
– Technical Specifications
Output Ratings
• Output Voltage: 0–4000 VDC
• Output Current: 0–50 mA
• Output Power: 200 W
• CV Load Regulation: <0.005% or 20 mV (whichever greater) for full to no-load change
• CC Load Regulation: <2% or 1 mA (whichever greater) for full to no-load change
• CV Line Regulation: <0.005% or 20 mV (whichever greater) across 115 VAC ±10%
• CC Line Regulation: <1 mA across 115 VAC ±10%
• Transient Recovery: <50 µsec to within 0.005% or 20 mV following load step changes
• 8-Hour Stability (post warm-up): CV: 0.036% + 3 mV; CC: 0.25% + 0.12 mA
• Ripple and Noise: <0.01% voltage; <0.02% current (typical)
Input Power
• Input Voltage: 115 VAC ±10%, 48–440 Hz (Option 313 for 230 VAC available)
• Input Current: 4 A at full load (115 V, 60 Hz)
• Input Power: 270 W at full load (115 V, 60 Hz)
Controls and Metering
• Voltage Control: Three-decade thumbwheel plus vernier (0.002% resolution)
• Current Control: Single-turn potentiometer
• Meters: Front-panel voltage (0–4 kV) and current (0–50 mA) at 2% full-scale accuracy
– Key Features
• Automatic crossover circuitry enables seamless CV/CC mode switching, protecting both supply and load
• Convection cooling eliminates fan dependency and operational noise
• Rear-mounted UG-931/U output connectors (UG-932/U mating connectors supplied)
• Three-wire, five-foot input power cord included
– Typical Applications
High-voltage component testing, X-ray tube operation, electrostatic applications, and precision voltage reference work requiring stable, regulated DC sources above 1 kV.
– Compatibility & Integration
Standard 19-inch rack width format (5.25" H × 19" W × 18" D). Operating range: 0–55°C. Storage range: −40–75°C. Unit weight: 42 lbs net.
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