The Sorensen DLM80-37 is a 3 kW programmable DC power supply delivering stable, precise voltage and current across a 0–80 VDC / 0–37 A output range. Built in a compact 2U rackmount chassis, this unit combines low ripple and noise performance with tight regulation and fast transient response, making it ideal for electronics testing, product development, and demanding laboratory applications requiring continuous, variable output control.
Technical Specifications
Output Performance
• Power output: 3000 W
• Voltage range: 0–80 VDC
• Current range: 0–37 A
• Output ripple and noise: 10 mV RMS; 15 mV p-p
• Line regulation (voltage): 0.05% of rated output + 2 mV
• Line regulation (current): 0.1% of rated output
• Load regulation (voltage): 0.05% of rated output + 2 mV
• Load regulation (current): 0.1% of rated output
• Stability: ±0.05% over 8 hours after 15-minute warm-up
• Temperature coefficient: 0.02%/°C voltage; 0.03%/°C current
• Transient response: 1% settling within 1 ms for 100%–70% or 70%–100% load step
• Overvoltage protection (OVP): 5–110% of Vmax, adjustable
Input Specifications
• Input voltage: 200*/230 VAC single phase; 200*/208 VAC three phase
• Input frequency: 47–63 Hz
• Power factor: 0.95 typical (three phase); 0.98 typical (single phase)
– Key Features
• Front panel analog knobs with 3½ digit LED displays for voltage and current
• Local/remote programming via 0–5 VDC, 0–10 VDC, or 0–5 kΩ selectable inputs
• IEEE-488.2 interface for automated control and monitoring
• Remote sense capability with protection against misconnection
• Mode indicators for constant voltage, constant current, overvoltage protection, and overtemperature
• Power on, shutdown, remote, and front panel lockout LEDs
– Typical Applications
Electronics testing, product development, component characterization, and precision laboratory measurements requiring stable DC sourcing across moderate voltage and current ranges.
– Compatibility & Integration
Optional 400 or 480 VAC three-phase input available for 4 kW models. IEEE-488.2 control interface enables integration into automated test systems and remote operation.
