The Keithley 6430 Sub-Femtoampere Remote SourceMeter measures current with a sensitivity of 1 aA . Due to its low noise and drift behavior , it is ideally suited for investigations of individual electronic components, nanowires and nanotubes with high resistance, polymers as well as for electrochemical applications .
The Keithley 6430 combines the voltage / current source and measurement functions of an SMU with sensitivity, noise and input resistance specifications that are superior to electrometers. This unique combination is made possible by the Remote PreAmp of the Model 6430, which offers a very sensitive bidirectional amplifier with sensitive feedback elements for measuring or supplying currents to the device under test. The high level signals output by the Remote PreAmp are sent to the controlling mainframe via a two meter long cable. This will minimize cable noise.
The 6430 reads voltage, current and resistance measurements into internal memory at a rate of up to 2,000 source / readings per second. Currents can be measured in just 5 ms in the 100 nA range.
The 6430 is characterized by its extremely low noise ( 0.4 fA Sp-Sp) . This ensures the most exact measurements of the extremely low currents, as they are necessary in device and material research.
The remote preamplifier enables a direct or very short connection to the signal source and minimizes noise sources such as B. Cable noise.
The low voltage burden of the 6430 eliminates errors that affect the accuracy of low current measurements.
The high measurement speed , even with signals with a low level, enables you to test low-level components more quickly.
The 6430 also has programmable digital I / O and integrated interfaces , which enables you to set up automatic component systems.