Spellman RHR5PN30

The Spellman RHR5PN30 is a precision high-voltage DC power supply for laboratory, industrial, and scientific applications requiring stable, adjustable output in a compact footprint. This unit delivers continuously variable voltage from zero to maximum rated output with exceptional load and line regulation, making it suitable for demanding experimental setups and production environments.

– Technical Specifications

• Output Voltage: Continuously adjustable from 0 V to maximum rated voltage via ten-turn locking potentiometer
• Load Regulation: 0.01% + 1 V (full load change)
• Line Regulation: ±0.01% + 1 V (+10% input voltage change)
• Ripple: 0.02% + 2 V RMS; 0.1% RMS for 100 kV models and above
• Output Stability: 0.02% + 2 V per hour; 0.05% + 5 V per 8 hours
• Temperature Coefficient: 0.01% per °C
• Operating Temperature: −20°C to +55°C
• Storage Temperature: −40°C to +85°C
• Input Power: 105–125 V AC, 50–60 Hz, single phase
• Cooling: Fan cooled (convection cooling available for models ≤50 W)

– Key Features

• Positive, negative, and reversible (PN) polarity configurations
• Remote monitoring via rear BNC connectors (1 V per full output voltage; 0.1 V per 1 mA current)
• External potentiometer control for high-voltage output adjustment
• Remote voltage programming with ground referencing capability
• 15-pin D connector interface for external control and interlock
• AC ON toggle switch with indicator lamp
• External interlock connections for safety integration

– Typical Applications

High-voltage DC power requirements in X-ray systems, electron microscopy, mass spectrometry, and precision laboratory measurements where voltage stability and regulation accuracy are critical.