The National Instruments PCMCIA-4050 is a portable 5.5-digit digital multimeter engineered for precision measurements and data logging in a variety of applications. Recognized by part number 777186-01, this multimeter excels in measuring DC and AC voltage, current, and resistance with efficiency and reliability. Designed with low power consumption in mind, the PCMCIA-4050 is ideal for use with notebook and handheld computers, providing a lightweight solution for field measurements. The device features a maximum reading rate of 60 readings per second, which varies based on range selection, function, and resolution. It includes five input ranges each for DC and True-rms AC signals, along with resistance measurements from 200 Ω to 200 MΩ when utilizing a parallel 1 MΩ resistor for extended range applications.

The multimeter is compatible with multiple operating systems, including Windows XP, Me, NT, 9x, and 2000, and can be integrated with application software such as Measurement Studio for Visual C++, LabVIEW, Visual Basic, C/C++, and LabWindows/CVI, complemented by the NI-DMM driver software for configuration. While National Instruments has announced the obsolescence of the PCMCIA-4050, it remains available for purchase and repair through Apex Waves. The multimeter supports a maximum working voltage of 250 V between either input terminal and earth ground and operates on a power requirement of +5 VDC at 45 mA in operational mode. A warranty period of 2 to 3 years is provided, and user and maintenance manuals are available for download. For pricing details, please contact a sales representative.