Precision Measurement Excellence Since 1946
Welcome to TheKeithley.com, your trusted source for precision electronic test and measurement solutions from Keithley® Instruments. For over eight decades, Keithley has been at the forefront of measurement science—delivering innovative instruments that empower engineers, scientists, and researchers across the globe.
Founded in 1946 by Joseph F. Keithley in Solon, Ohio, the company pioneered ultra-low current measurement technology with the breakthrough “Phantom Repeater.” From those early innovations, Keithley evolved to provide advanced solutions for voltage, current, and resistance measurements—setting the global standard for accuracy and reliability in modern research and development.
Who We Are
Today, Keithley®—a proud member of the Tektronix family under Danaher Corporation—continues to innovate at the cutting edge of electronic test instrumentation. We specialize in:
- Source Measure Units (SMUs): Industry-leading models like the Keithley 2400, 2450, 2460, and 4200-SCS that combine sourcing and measurement capabilities for I‑V characterization, semiconductor testing, and battery analysis.
- Digital Multimeters: High-resolution instruments including the DMM6500, DMM7510, and 2000/2010 Series designed for exceptional precision in voltage, current, and resistance readings.
- Power Supplies & Current Sources: Stable, low-noise voltage and current sources such as the 2306, 6221, and 6485 series, ideal for sensitive device and materials testing.
- Data Acquisition Systems: Advanced platforms like the DAQ6510 and 3706A, offering flexible and automated multi-channel measurement capabilities.
Our Mission
At TheKeithley.com, our mission is simple—to empower scientific discovery and engineering innovation through precision measurement. Whether you’re advancing semiconductor research, optimizing photovoltaic devices, exploring nanotechnology, or developing cutting-edge electronic systems, our goal is to provide tools that transform ideas into measurable results.
Our Legacy of Innovation
From early electrometers and picoammeters to today’s smart touchscreen SourceMeters and graphical multimeters, every Keithley product is built on a foundation of accuracy, performance, and long-term reliability. Across universities, national laboratories, and industrial test environments, Keithley instruments continue to enable breakthroughs in:
- Quantum and materials science
- Renewable energy development
- Semiconductor characterization
- Automotive and telecommunications engineering
Global Trust, Local Support
Keithley® stands as a globally recognized leader—trusted in over 100 countries by professionals who demand uncompromising measurement precision. We work closely with Tektronix and certified distribution partners to ensure every customer receives excellent technical support, calibration services, and reliable product access worldwide.
Contact Us
Keithley® Instruments – Official Site
28775 Aurora Road, Solon, Ohio 44139
Phone: 1‑800‑833‑9200
Email: Support@TheKeithley.com