The Keithley 2400 SourceMeter is a high-precision source and measurement instrument designed for research, development, testing, and production environments. This source measure unit can precisely source voltage or current and simultaneously measure voltage and/or current. Widely used in electronics, material science, semiconductor device characterization, and academic laboratories, the Keithley 2400 provides exceptional accuracy, flexibility, and ease of use. Its four-quadrant operation allows it to source and sink power, making it ideal for testing a wide variety of devices, including diodes, resistors, resistor networks, active circuit protection devices, and portable battery-powered devices and components.