The RS PL320(Quad) is a bench power supply from Thurlby Thandar Instruments delivering 0 to 32V continuously variable output at 0 to 2A, with up to 240W power capability. This single-output model provides precision metering, exceptional load and line regulation, and minimal ripple—making it ideal for laboratory, development, and production test environments requiring stable DC power delivery.
Technical Specifications
Electrical Performance
• Output voltage: 0 to 32V continuously variable
• Output current: 0 to 2A
• Maximum power output: 240W
• Load regulation: <0.01% of maximum output (90% load change)
• Line regulation: <0.01% of maximum output (10% line voltage change)
• Ripple and noise: Typically <1mV rms
• Output impedance (constant voltage): Typically <5mΩ at 1kHz
• Output impedance (constant current): Typically 50kΩ
• Output protection: Forward protection to maximum output voltage +20V; diode-clamped reverse protection rated to 3A reverse current
• AC input: 110, 120, 220, or 240VAC ±10%, 50/60Hz
Metering
• Dual 3.75 digit LED displays (4095 count resolution)
• Voltage resolution: 10mV
• Current resolution: 1mA
• Display update rate: 4 per second
• Switchable damping for fluctuating currents
Physical Specifications
• Dimensions: 170mm (H) × 155mm (W) × 265mm (D)
• Weight: 5.0kg
• Cooling: Silent fan-less convection design
• Output terminals: 4mm binding posts (accepts plugs or wire)
– Key Features
• Single output configuration with optional quad-mode dual or triple output variants (PL320QMD, PL320QMT)
• Quad-mode selection (Isolated, Parallel, Series, Series-Tracking) via push-button switching on dual variants
• Parallel mode increases current output; Series mode increases voltage output
• GPIB (IEEE-488.1/488.2) and RS-232 programming options available on PL-P models
• Full remote bus control with voltage and current readback
– Typical Applications
Laboratory test and measurement; prototype development; educational electronics training; production circuit testing; precision equipment calibration.
– Compatibility & Integration
Operating temperature: 5°C to 40°C, 20% to 80% RH. Storage: -20°C to 60°C. Compliant with IEC348 and IEC1010 safety standards; EMC compliance per EN50081–1 and EN50082–1 (variant dependent).














