Sorensen PRO32

The Sorensen PRO32-310T is a programmable DC power supply engineered for demanding benchtop and automated test equipment (ATE) applications requiring precise voltage and current control. Delivering 10 kW across a 0–32 VDC, 0–310 ADC output range, this unit combines excellent regulation with low noise performance and flexible programming interfaces.

– Technical Specifications

Output voltage spans 0–32 VDC at up to 310 ADC, yielding approximately 10 kW at full rating. Line and load regulation holds better than 0.1%, with line regulation at 0.01% + 2 mV and load regulation at 3 mV. RMS ripple measures as low as 20 mV; peak-to-peak noise reaches 120 mV. Normal mode voltage ripple is specified at 500 µVrms / 5 mVpp. Efficiency stands at 80% at full power.

Voltage programming resolution achieves 0.03% of full scale (1 mV granularity), while current programming resolution reaches 0.03% of full scale (100 µA granularity). Programming accuracy is ±(0.1% + 0.1% of maximum output voltage) for voltage and ±(0.1% + 0.4% of maximum output current) for current. Readback accuracy is ±(0.1% + 0.15% of full scale output voltage) and ±(0.1% + 0.4% of full scale output current).

Transient response time is typically 40 ms for 50% load changes (25% to 75%). The unit employs SCR preregulator topology and supports both constant voltage and constant current operation with foldback mode protection.

– Key Features

• Overvoltage protection standard; SCR crowbar available (Option M5)
• Remote voltage and current readback outputs
• Remote OVP programming and shutdown capability
• Unique load burn-out prevention circuit protects against open remote programming lines
• Optional IEEE-488/RS-232 interface (M9 option) with 12-bit resolution
• SCPI-compliant command set supported with M9 option
• Extended Interface Bus (EIB) RS-485 control for up to 30 units in parallel (M85 option)
• RS-232 configured at 19.2 kbaud, 8 data bits, no parity, 1 stop bit
• Rear panel user control signal connector with relay outputs (POLARITY, SENSE, ISOLATION) rated 120 VAC/125 VDC @ 1 A
• 10 ms synchronization pulse generated at rear panel upon output changes

– Typical Applications

Benchtop testing, ATE systems, and battery simulation requiring stable, programmable power with rapid load transient response and comprehensive protection.

– Compatibility & Integration

Optional M9 remote programming module enables GPIB or RS-232 control. M85 option supports RS-485 multi-unit networking. All interfaces accessible via rear panel connectors.