Keithley 2280S-60-3 Precision Bench Power Supply

The Keithley 2280S-60-3 is a precision bench power supply designed for demanding test and measurement applications requiring stable, low-noise power delivery. It has accurate voltage and current control across 0–60 V and 0–3 A, supporting up to 180 W output. The instrument delivers programmable accuracy of ±(0.05% of setting + 0.05% of range) for voltage and ±(0.1% of setting + 0.1% of range) for current, with readback accuracy of ±(0.05% of reading + 0.02% of range) and ±(0.1% of reading + 0.05% of range) respectively.

Technical Specifications Output Characteristics:

Voltage: 0–60 V with 1 mV resolution

Current: 0–3 A with 1 mA resolution

Maximum power: 180 W

Line regulation (voltage): ≤0.01% of range; (current): ≤0.1% of range

Load regulation (voltage): ≤0.01% of range; (current): ≤0.1% of range

Temperature coefficient (voltage): ≤0.01% of range per °C; (current): ≤0.05% of range per °C

Transient response: <500 µs for 50% load change (voltage within 1% of setting)

Ripple and noise (20 Hz to 20 MHz): voltage ≤1 mVrms/5 mVp-p; current ≤2 mArms

Key Features

Dual-channel independent control with precision measurement

User-adjustable overvoltage, overcurrent, and overpower protection thresholds

Over-temperature protection for thermal management

List mode programming for output sequence generation

Adjustable output impedance

Programmability & Integration

USB Device (Type-B), LAN (Ethernet), and GPIB (IEEE 488.2) interfaces

SCPI command set compatibility

Remote control and data transfer capabilities

Typical Applications Component verification, system integration testing, research and development, production testing environments.