The USB-6009 is a data acquisition (DAQ) device manufactured by National Instruments. It's part of the NI USB-600x series, and it allows for the measurement and monitoring of analog and digital signals, including temperature, voltage, and current. It connects to a computer via USB, which makes it portable and easy to set up for various testing and measurement applications.

The USB-6009 Windows driver is the software component that allows the device to communicate with the Windows operating system. Without the proper driver, Windows won't be able to detect or interact with the USB-6009, meaning the device won't function as expected.