The high-precision source meter integrates the functions of voltage source, current source, voltmeter, ampere meter, and electronic load in one, which is widely used in high-precision IV test and measurement for various discrete components, photovoltaic, new energy, battery and other industries. Semight Instrument provides high-precision benchtop source meters and plug-in PXIe source meter modules of standard PXIe chassis, fully meeting the application of various test scenarios.