Keithley 6430 Sub-Femtoamp Remote SourceMeter is an instrument with extremely high sensitivity and accuracy in the measurement field. This instrument not only combines the voltage and current source and measurement functions of SourceMeter and Source Measurement Unit (SMU), but also outperforms traditional electrometers in sensitivity, noise and input resistance specifications, providing a new measurement solution for scientific research and engineering fields.

    First of all, let's talk about its remote preamplifier. This design enables the Model 6430 SourceMeter to perform measurements near the signal source, reducing noise interference by minimizing cable length. The application of this remote preamplifier greatly improves the accuracy and stability of measurements, especially when performing low-current measurements. Its sensitive feedback element makes current measurement or sourcing more accurate, providing reliable data support for researchers.

    The 6430 SourceMeter also delivers excellent performance in measurement speed. It can read and store data in memory at a rate of up to 2000 readings per second, which is undoubtedly a huge advantage for researchers who need to complete a large number of measurement tasks quickly. In addition, this instrument features up to 6-digit resolution, enabling more accurate measurement results. The 6430 SourceMeter also provides multiple options for voltage and current ranges. It can deliver accurate measurement results for both low-current and high-voltage applications. This gives the instrument broad application prospects in semiconductor measurement, single-electron transistor (SET) and quantum dot research and other fields.

    In addition, the 6430 SourceMeter also includes other features such as programmable digital I/O and interface, which simplifies rapid characterization of components. Meanwhile, it also provides a 2.2W four-quadrant source and measurement sensitivity down to sub-femtoampere level, further enhancing its measurement capability.

    In terms of application fields, the 6430 SourceMeter is widely used in semiconductor measurement, gate leakage or channel leakage test of FET-based components, research on single-electron transistors (SET) and quantum dots, etc. Its high sensitivity and low noise characteristics enable researchers in these fields to obtain more accurate and reliable measurement data, thereby promoting the development of related fields. The Keithley 6430 Sub-Femtoamp Remote SourceMeter is a powerful measuring instrument with excellent performance. Its high precision, high sensitivity and high-speed measurement capability enable it to have broad application prospects in the scientific research and engineering fields. Whether for researchers requiring precise measurement or engineers needing to complete measurement tasks quickly, it is an indispensable tool.

Here are the key specifications of this instrument:

Measurement Range and Sensitivity:

• Current measurement range: from 1 pA (0.4 fA peak-to-peak noise, typical value) to 100 mA.

• Voltage measurement range: from 200 mV to 200 V.

• This wide measurement range allows the 6430 SourceMeter to be used in a variety of different application scenarios. Whether you need to measure devices with small currents or meet high-voltage test requirements, it can always provide accurate measurement results.

Noise and Drift:

• Extremely low noise level, typical value is 0.4fA peak-to-peak (4E - 16A), enabling extremely accurate data in low-current measurement.

• Low drift characteristics ensure the stability of long-term measurement.

Input Resistance:

• High input resistance ensures measurement accuracy and effectively reduces signal loss between the signal source and the measuring instrument.

Speed:

• A reading speed of up to 2000 times per second enables the instrument to quickly complete massive data acquisition, suitable for application scenarios requiring high-speed measurement.

Resolution:

• A resolution of up to 6 digits ensures the accuracy of measurement results, and important information can be captured even with tiny changes.

Source Capability:

• It provides four-quadrant source with a maximum power of 2.2W. This means the instrument can not only output voltage and current, but also perform sink measurement, satisfying a variety of test requirements.

Interfaces and Communication:

• Equipped with IEEE-488 bus output, it supports data transmission from external computer controllers, facilitating communication and data exchange with computers or other devices.

Other Features:

• Remote preamplifier design reduces the impact of cable noise and improves measurement accuracy and stability.

• Programmable digital I/O and interface simplify and accelerate fast component characterization and automated testing.