The Keithley 2280S-32-6 is a high-precision, measurement-grade DC power supply that provides up to 192W of low-noise linear power. It combines the capabilities of a 32V, 6A power source with a high-resolution 6.5-digit digital multimeter, allowing for precise measurements of load currents from nanoamps to amps, rapid transient response analysis, and configurable output rise/fall times.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, USB Device (USBTMC), USB Host, LAN (LXI Core 1.4), Digital I/O (6-pin) |
| Display | 4.3-inch TFT LCD color display, 480 × 272 pixels |
| Warm-up Time | 1 hour |
| Standard Warranty | 3 years |
| Setup Storage | 10 user-configuration states |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V / 120 V / 220 V / 240 V AC ±10%, 50/60 Hz, 630 VA maximum power consumption |
| Operating Temperature | 0 to 40 °C |
| Dimensions (W×H×D) | 213.6 mm × 88.5 mm × 384.3 mm (without boot and handle); 224 mm × 106 mm × 415 mm (with boot and handle) |
| Weight | 10.85 kg |
Output Ratings and Performance
| Parameter | Value |
|---|---|
| Voltage Output Range | 0 to 32 V |
| Current Output Range | 0 to 6 A |
| Maximum Output Power | 192 W |
| Voltage Programming Accuracy | ±(0.02% + 3 mV) |
| Current Programming Accuracy | ±(0.05% + 5 mA) |
| Voltage Programming Resolution | 1 mV |
| Current Programming Resolution | 0.1 mA |
| Voltage Readback Accuracy | ±(0.02% + 1.6 mV) |
| Current Readback Accuracy (10 mA range) | ±(0.05% + 10 µA) |
| Current Readback Accuracy (100 mA range) | ±(0.05% + 10 µA) |
| Current Readback Accuracy (1 A range) | ±(0.05% + 100 µA) |
| Current Readback Accuracy (10 A range) | ±(0.05% + 250 µA) |
| Voltage Readback Resolution | 100 µV (6.5-digit mode) |
| Current Readback Resolution (10 mA range) | 10 nA (6.5-digit mode) |
| Current Readback Resolution (100 mA range) | 100 nA (6.5-digit mode) |
| Current Readback Resolution (1 A range) | 1 µA (6.5-digit mode) |
| Current Readback Resolution (10 A range) | 10 µA (6.5-digit mode) |
Regulation, Ripple, and Noise
| Parameter | Value |
|---|---|
| Load Regulation (Voltage) | ±(0.01% + 2 mV) |
| Load Regulation (Current) | ±(0.01% + 0.25 mA) |
| Line Regulation (Voltage) | ±(0.01% + 1 mV) |
| Line Regulation (Current) | ±(0.01% + 0.25 mA) |
| Ripple and Noise (Voltage, RMS) | <1 mV RMS (20 Hz to 20 MHz) |
| Ripple and Noise (Voltage, Peak-to-Peak) | <5 mV p-p (20 Hz to 20 MHz) |
| Ripple and Noise (Current, RMS) | <3 mA RMS (20 Hz to 20 MHz) |
Transient and Dynamic Response
| Parameter | Value |
|---|---|
| Transient Response Recovery Time | <50 µs (to within 75 mV of nominal voltage for a load change from 50% to 100%) |
| Voltage Rise Time (10% to 90%) | <30 ms (typical, with resistive load) |
| Voltage Fall Time (90% to 10%) | <30 ms (typical, with resistive load) |
Current Sinking and Battery Simulation
| Parameter | Value |
|---|---|
| Maximum Sink Current | 0.45 A (continuous) |
| Programmable Series Resistance Range | -0.1 Ω to 100 Ω |
Protection and Limits
| Parameter | Value |
|---|---|
| Overvoltage Protection (OVP) Range | 1 V to 36 V |
| Overcurrent Protection (OCP) Range | 0.1 A to 6.6 A |
| Maximum Common Mode Voltage | 125 VDC |
Connectivity and Interface
| Parameter | Value |
|---|---|
| Digital I/O Port Configuration | 9-pin D-sub, 6 configurable input/output lines |
| Remote Sensing Connections | Rear-panel terminals; compensates up to 1 V drop per lead |
| Output Terminal Locations | Rear-panel screw terminals; Front-panel safety jacks |
Measurement and Control Capabilities
| Parameter | Value |
|---|---|
| Measurement Digitizing Rate | Up to 25,000 readings/second (buffered) |
| A/D Converter Resolution | 24-bit (sigma-delta converter) |
| Integration Time Settings | 0.002 PLC to 10 PLC |
| Data Buffer Capacity | Up to 50,000 measurements |
Physical and Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to 70 °C |
| Operating Humidity Range | 5% to 85% RH, non-condensing (at up to 40 °C) |
| Operating Altitude | Up to 2000 meters |
| Cooling Method | Forced air (fan cooled, side intake, rear exhaust) |
| Form Factor | 2U, half-rack width |
Compliance and Standards
| Parameter | Value |
|---|---|
| Calibration Interval | 1 year |
Performance
| Parameter | Value |
|---|---|
| Command Processing Time | <1 ms |
| Voltage Slew Rate Range | 0.1 V/s to 320 V/s |
| Maximum Remote Sense Lead Drop | 1 V per lead |
| Series Resistance Resolution | 0.001 Ω |
Power
| Parameter | Value |
|---|---|
| AC Input Voltages | 100 V / 120 V / 220 V / 240 V (±10%) |
| AC Input Frequencies | 50 Hz / 60 Hz |
| Maximum Power Consumption | 630 VA |
Environmental
| Parameter | Value |
|---|---|
| Vibration Standard | MIL-PRF-28800F Class 3 Random |
Compliance
| Parameter | Value |
|---|---|
| LXI Compliance | LXI Version 1.4 Core 2011 |
Compliance & Safety
| Parameter | Value |
|---|---|
| Safety Compliance | Conforms to European Union Low Voltage Directive, UL 61010-1, CAN/CSA C22.2 No. 61010-1 |
| EMC Compliance | Conforms to European Union EMC Directive, EN 61326-1, FCC Part 15 Class A |
Control & Programming
| Parameter | Value |
|---|---|
| Command Language | SCPI (Standard Commands for Programmable Instruments) |
Safety & Isolation
| Parameter | Value |
|---|---|
| Chassis Isolation Voltage | 125 VDC or peak AC maximum (Outputs to chassis) |
Technology
Linear DC Power Supply
Applications
Precision electronics testing, battery simulation, low-power IoT device characterization, and high-accuracy current consumption analysis