The Keysight N2779A is a dedicated DC power supply engineered to operate the Keysight N2780–N2783 series AC/DC current probes. It delivers precisely regulated ±12V DC output across three independent probe-power connectors, enabling simultaneous operation of multiple current probes for comprehensive three-phase power analysis and system diagnostics.
Technical Specifications
• Output Voltage: ±12V DC ±0.5V
• Output Current: ±1.4A per connector (rated maximum)
• Ripple Voltage: ≤50 mV peak-to-peak at rated output current
• Number of Outputs: 3 probe-power connectors
• Input Supply: 100–240 VAC, 50/60 Hz (±10% voltage fluctuation tolerance)
• Power Consumption: 130 VA maximum
• Load Coefficient: Output voltage maintained within limits for 0–1.4A load range
• Temperature Coefficient: Output voltage maintained within limits for 0–40 °C ambient
• Installation Category: CAT II
• Transient Overvoltage Rating: 2500V
• Dimensions: 80 mm (W) × 119 mm (H) × 200 mm (D)
• Weight: 1.2 kg
• Certification: UL listed
– Key Features
• Universal AC input accepts 100–240 VAC without configuration changes
• Three simultaneous outputs support multi-probe deployments
• Front-panel probe-power connectors ensure convenient field accessibility
• Rear-panel power switch for standard operational control
• Low output ripple (≤50 mV pp) minimizes measurement noise in sensitive current applications
• Stable output across load variation and temperature extremes
– Typical Applications
• Three-phase AC power system diagnostics and monitoring
• Multi-channel current measurement in industrial power analysis
• Simultaneous probe operation in distributed measurement scenarios
– Compatibility & Integration
Designed for Keysight N2780A/B, N2781A/B, N2782A/B, and N2783A/B AC/DC current probes. Also compatible with legacy N2774A current probes.
