An Eye on Agilent Test & Measurement

August 28, 2009

Agilent’s Award-Winning Handheld DMMs

Filed under: Application Notes,DMMs — janetsmithagilent @ 9:58 pm
Agilent may be new to the handheld DMM market, but our family of handheld DMMs keep on winning awards for innovation and excellence. In 2006, the Agilent U1250 family won Analog Zone’s Best Value Portable Test Equipment award as well as an EDN Hot 100 Products award. And now, the innovative Agilent U1253A handheld DMM with OLED display is the 2009 Category Winner for EC&M Product of the Year well as the Test and Measurement Zone winner.
There’s something special about these new Handheld DMMs from Agilent, check them out here.

July 28, 2009

Digital Multimeter Application Notes

Filed under: Application Notes,DMMs — janetsmithagilent @ 12:53 pm
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Three new app notes are now available from Agilent:

1) On Improving Digital Multimeter Throughput

This application note describes how to make a modern digital multimeter operate at its absolute fastest transaction speed. It includes tips on reducing range and function changes, proper auto-zero operation, selecting optimal integration times and using best data formats. The application note is written to address the needs of engineers in R&D, design verification and manufacturing.

2) On Improving AC Measurements Using Digital Multimeters

Some modern digital multimeters employ a Sigma/Delta A-to-D converter technique. Sigma/Delta is a digital sampling technique that opens the possibility of very fast and accurate AC measurements, even in the presence of high crest factors. This application note outlines some of the advantages of this new digital sampling technique, from making peak AC measurements at up to 50,000 times per second to easily measuring AC ripple on a DC supply output.

3) On Data Logging and Digitizing Using a Digital Multimeter

Logging data is a common use for digital multimeters (DMMs). Some DMMs make this process easier by having a dedicated data logger function with simplified setup and operation. The availability of LAN I/O on modern DMMs makes remote data logging easier than ever. Some modern digital multimeters also make very fast measurements at up to 50,000 readings per second. When combined with level trigger, pre- and post-trigger and large memory, it is possible to acquire and digitize signals up to the mid-audio region. This application note for use by engineers in R&D, design verification and manufacturing describes how to take advantage of these data logging capabilities.

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