Used KEITHLEY 6221 #9122218 for sale

KEITHLEY 6221 is a high-accuracy, low-noise, variable-voltage source/measure unit. It is designed to help engineers and researchers during the testing phase of projects by providing an accurate means to source, measure, and control voltages in their circuits. 6221 offers various features that make it a great choice for general-purpose measurements, especially for low-noise applications. It includes a precisely temperature-compensated voltage source for generating accurate multiple-point and noise-free waveforms. This makes it an excellent choice for applications in which noise created by imperfect power supplies or inadequate filtering can interfere with measurements. It can also measure both voltage and current with precision and accuracy far exceeding typical benchtop multimeters. KEITHLEY 6221 also features two independent 4-wire resistance measurement inputs, which eliminate lead resistance errors. This simplifies the testing of difficult high-resistance impedance networks, such as those used in communications and medical diagnostics. Its multiple functionality, high accuracy, and low noise floor make it suitable for testing a wide variety of electronic components and assemblies. 6221 includes a built-in data logging feature, allowing measurements to be stored for review and analysis at a later time. It also includes an interactive graphical user interface for easy setup of complex measurement tasks. The device is equipped with IEEE-488, USB, and RS-232 connectors, making it well-suited for automated test systems. KEITHLEY 6221 has been designed to meet the needs of many applications, providing reliable and repeatable voltage measurements. Its multi-function capabilities make it an excellent choice for testing circuit designs with high part-to-part variation. Its temperature compensation eliminates the need for frequent calibration, ensuring accurate measurements in thermal-sensitive applications. Its low-noise floor is also perfect for applications where low-level sensitivity is needed. In summary, 6221 is a versatile and precise voltage source/measure unit that offers a wide range of applications, making it a great choice for engineers and researchers testing projects in low-noise environments.