The Keithley 6221 by 津科儀器, a leader in used test equipment, offers precision and reliability for your testing needs. This advanced current source seamlessly integrates into various applications, providing accurate low-level measurements vital for research and development. With our commitment to quality and value, each unit is thoroughly inspected and tested to ensure top performance. Explore enhanced efficiency and precision with the Keithley 6221, ideal for meeting the demanding requirements of modern technology testing. Discover how our expertise can elevate your projects to new standards of excellence.