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National Instruments Digital Multimeter Software Delivers 1.8 MS/s Isolated Digitizer

National Instruments Digital Multimeter Software Delivers 1.8 MS/s Isolated Digitizer
Software Further Improves DC Measurement Rates up to 100 Percent

NEWS RELEASE -- March 31, 2003 -- Design and test engineers now can operate the National Instruments 6½-digit FlexDMM as a 1.8 MS/s high-voltage isolated digitizer and accelerate measurement speed up to 100 percent with the new NI-DMM 2.1 driver software.

NI-DMM 2.1 demonstrates the power of virtual instrumentation by delivering new measurement capability to the NI PXI-4070 FlexDMM. With the new isolated digitizer measurement capability, engineers can acquire both AC and DC-coupled waveforms up to 300 V (425 V AC peak) input at a maximum sample rate of 1.8 MS/s. By combining NI LabVIEW graphical development software with the isolated digitizer mode of the FlexDMM, engineers can analyze transients, fly-back signals and other non-repetitive high-voltage AC waveforms in both the time and frequency domain.

The optimized NI-DMM 2.1 also has a dramatic impact on the DC voltage and resistance measurement speed of the FlexDMM.

Improvements in the software further optimize measurement speed on what was already the industry's fastest 6½-digit DMM.

Engineers can improve productivity by using the new NI-DMM 2.1 simulation mode to create test applications without the FlexDMM hardware in their test configuration. The software provides external calibration procedures and functions for fully calibrating the FlexDMM in onsite calibration and metrology facilities.

NI-DMM 2.1 driver software, which ships with the FlexDMM, is optimized for use with NI LabVIEW, LabWindows/CVI, Visual Basic and Visual C++. With NI-DMM, engineers can measure thousands of channels consisting of voltages, thermocouples and RTDs by seamlessly integrating the FlexDMM with NI PXI switches, SCXI switches and NI Switch Executive switch management software.
Existing FlexDMM users can download and install NI-DMM 2.1 as a free upgrade.

About National Instruments
For more than 26 years, National Instruments (http://ni.com) has revolutionized the way engineers and scientists work by delivering virtual instrumentation solutions built on rapidly advancing commercial technologies, including industry-standard computers and the Internet. NI increases productivity for customers worldwide by delivering easy-to-integrate software, such as the NI LabVIEW graphical development environment, and modular hardware, such as PXI modules for data acquisition and instrumentation.

Headquartered in Austin, Texas, NI has more than 3,000 employees and direct operations in 40 countries. In 2002, the company sold products to more than 25,000 different companies in more than 80 countries around the world. For the past four consecutive years, FORTUNE magazine has named NI one of the 100 best companies to work for in America. Readers may obtain investment information from the company's investor relations department at (512) 683-5090, by sending e-mail to nati@ni.com or on the Web at http://ni.com/nati.