With more than 70 years of measurement expertise, Keithley Instruments is a world leader in advanced electrical test instruments and systems.

Keithley's customers are scientists and engineers in the worldwide electronics industry who rely on Keithley products for their critical measurement needs and on Keithley's rich understanding of their applications. In 2010, Keithley Instruments joined Tektronix as part of its test and measurement portfolio.

Featured Products

The 2450 is the SMU for everyone: a versatile instrument, particularly well-suited for characterizing modern scaled semiconductors, nano-scale devices and materials, organic semiconductors, printed electronics, and other small-geometry and low-power devices.

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Provides a waveform generation tool with the best price -to-performance ratio

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Model 2231A-30-3 Triple Channel DC Power Supply can output a total of 195W of power, providing the power levels needed to energize a wide range of circuits and devices for benchtop work.

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6517B Electrometer/High Resistance Meter is capable of measuring the largest voltage range—up to 200 V—with an input impedance exceeding 200 TΩ. All this performance is built into an instrument that operates as simply as a digital multimeter.

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Combine all the advantages of a precision digital multimeter, a graphical touch screen display, and a high speed, high resolution digitizer to create an industry first: a graphical sampling multimeter.

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2602B SourceMeter SMU instrument, is a new and improved two-channel SMU instrument with a tightly integrated four-quadrant design that allows it to simultaneously source and measure both voltage and current to boost productivity in applications ranging from R&D to automated production test.

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