The Spellman RHR30PF30 is a high-reliability, rack-mountable high voltage power supply engineered for precision DC output control in demanding laboratory and industrial applications. This unit delivers continuously adjustable voltage from zero to maximum rated output with tight regulation, comprehensive protection against overload and arc-over events, and fast recovery from line and load transients. Ten-turn potentiometer adjustment with locking read-out dial provides fine control, while dual metering and optional remote programming interfaces enable flexible system integration.
Technical Specifications
Electrical Performance
• Input: 105–125 V AC, 50–60 Hz, single phase
• Output voltage: Continuously adjustable from 0 V to maximum rated voltage
• Load regulation: 0.01% + 1 V (full load change)
• Line regulation: ±0.01% + 1 V (±10% input variation)
• Ripple: 0.02% + 2 V RMS; 0.1% RMS on 100 kV and above models
• Stability: 0.02% + 2 V per hour; 0.05% + 5 V per eight hours
• Current limit: Adjustable 0 to rated load via front panel 10-turn potentiometer
• Protection: Overload, short circuit, and arc-over protection with rapid transient recovery
• Polarity options: Positive (P), Negative (N), Reversible (PN)
Metering & Control
• Voltmeter: Single range, 2% accuracy
• Ammeter: Single range, 2% accuracy
• Output adjustment: 10-turn potentiometer with locking read-out dial
• Remote voltage control (RVC) and remote resistance control (RC) available
• Remote programming for current control
• Focus voltage output: Up to 30 kV DC with separate front panel control
• Remote monitor terminals: Voltage scale 1 V per full output; current scale 0.1 V per 1 mA
Physical & Environmental
• Mounting: Rack-mountable, fan cooled
• Operating temperature: −20°C to +55°C
• Storage temperature: −40°C to +85°C
• Output cable: 10 ft shielded high voltage (on models up to 120 kV DC)
– Key Features
• Hot-switchable design for live-load operation
• Precision adjustment with locking mechanical read-out
• Multiple control interfaces including remote voltage, resistance, and programming options
• Integrated focus voltage output simplifies multi-output system design
• Fast transient recovery for stable operation under dynamic load conditions
– Typical Applications
X-ray systems, electron beam instruments, electrostatic deflection, corona discharge research, and high voltage field testing.
– Compatibility & Integration
Remote monitoring terminals support external data acquisition at standard 1 V and 0.1 V scales. Custom voltage and current monitoring scales available. Polarity selection accommodates both positive and negative output configurations.
