National Instruments modular systems include Chassis, Power Supplies, Controllers, and Modules. The PXI, VXI, DAQ, cRIO, C Series, M Series, and more are available from Apex Waves. Buy replacement models, sell your surplus, or have your failed unit repaired.
The National Instruments NI-407x Series of Digital Multimeters have quality measurements with great reading rates. The DMMs read voltage, resistance, and current, as well as capacitance, inductance, and temperature. Through integrating these systems with different switch modules, the user can create a high-channel-count system.