Keithley Instruments Inc. PICOAMMETER
The Keithley 6485 Picoammeter is a high-sensitivity instrument designed for measuring low-level currents with exceptional accuracy and speed. It offers a measurement range from 20 fA to 20 mA, with a low noise floor and fast response time, making it suitable for applications such as photodiode current measurements, leakage current testing, and other sensitive current measurements in research and industrial environments. The 6485 features a 5½-digit display, built-in data storage, and multiple communication interfaces including IEEE-488 and RS-232 for easy integration into automated test systems. Its compact design and intuitive user interface provide reliable performance and ease of use.