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Multi-Function Instrument

National Instruments (Austin, TX) introduced a high-performance model of the software-based VirtualBench all-in-one instrument that combines a mixed-signal oscilloscope, function generator, digital multimeter, programmable DC power supply, and digital I/O. The new version offers 350 MHz of bandwidth, four analog channels, and Ethernet connectivity. The mixed-signal oscilloscope with protocol analysis delivers 350 MHz of bandwidth and four analog channels for higher-performance interactive test. The higher-wattage programmable DC power supply features up to 3 A for the 6 V output channel, and up to 1 A for the 25 V and -25 V channels for higher current applications. A unified view of all five instruments, visualization on larger displays, and functionality to save data and screenshots are provided. For Free Info Visit http://info.hotims.com/61060-403

Posted in: Products, Manufacturing & Prototyping, Test & Measurement

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Strain Gauge Monitors

Bristol Instruments (Boston, MA) introduced the OM502T Series of monitors for strain gauge sensors. The 5-digit instruments are programmable for mathematical functions, including peak and tare, as well as digital filters. The monitors are available with 0.56- inch-tall red or green LED displays, depending on the model. Accuracy is to 0.05% of range, and rate is up to 100 measurements/sec. Up to four relay outputs are available, and can be turned on or off at preset load values. Analog outputs are 0 to 2/5/10 V, ±10 V; 0 to 5 mA; and 0/4 to 20 mA. Digital output interfaces include RS-232 and RS-485 — both isolated — with MODBUS and PROFIBUS protocols. The monitors offer fixed and adjustable excitation options. between 10 to 30 V AC/DC, 80 to 250 V AC/DC. For Free Info Visit http://info.hotims.com/61060-406

Posted in: Products, Manufacturing & Prototyping, Test & Measurement

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Shaft Voltage Tester

The AEGIS® CAT II/III Shaft Voltage Tester™ digital oscilloscope from Electro Static Technology (Mechanic Falls, ME) enables testing of industrial motors controlled by variable frequency drives (VFDs). The tester is designed and configured to take and capture voltage measurements from the spinning shafts of motors. The digital oscilloscope comes with a conductive microfiber-tipped probe, a probe holder with magnetic base, and a carrying case. The 2-channel, full-function, 100-MHz oscilloscope has a 5.7" TFT LCD color display, a multi-language user interface, and a 5-hour rechargeable/replaceable lithium-ion battery pack. The oscilloscope is capable of sampling rates of 1 GSa/s to 50 GSa/s, and has a USB port for data transfer or flash drive storage.

Posted in: Products, Manufacturing & Prototyping, Test & Measurement

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RF Signal Generators

Saelig Co. (Fairport, NY) announced Rigol DSG800 RF signal generators with output frequencies from 9 kHz to 3.0 GHz. They provide an RF signal source with a maximum output of +20 dBm and frequency resolution of 0.01 Hz at any frequency. Featuring SSB noise of -115 dBc/Hz, they feature a stable internal clock for creating RF test signals. The instruments provide conventional sweep functions (step, list, logarithmic, and linear) as well as analog modulation functions including amplitude modulation, frequency modulation, phase modulation, and pulse modulation. They also offer an optional pulse train generation capability for translating serial data onto an RF link without additional hardware. The pulse train can be used as the modulating signal of pulse modulation, and can also be output as an independent pulse generator.

Posted in: Products, Manufacturing & Prototyping, Test & Measurement

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Executive Perspectives: Test & Measurement

DR. JAMES TRUCHARD President, CEO, and Co-Founder National Instruments Austin, TX www.ni.comThe world of technology has moved to software — it started in the PC industry, but quickly manifested in the smartphone industry with operating systems like iOS and Android. We now see software making its mark in the test and measurement industry where it is revolutionizing how engineers and scientists solve grand challenges. But it wasn’t always this way. We have seen tremendous innovation in the test and measurement industry over the past four decades.

Posted in: Articles, Aerospace, Test & Measurement, Measurements, Computer software and hardware, Productivity, Test equipment and instrumentation

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Executive Perspectives: Test & Measurement

JAY ALEXANDER Chief Technology Officer Keysight Technologies, Inc. Santa Rosa, CA www.keysight.comTo travel back 40 years in test and measurement, I reached for the paper equivalent of Doc Brown’s DeLorean: the 1976 Hewlett-Packard Electronic Instruments and Systems Catalog. Flipping through the 576-page book, the product photos told a very “analog” story: many front panels featured knobs, dials, and panel meters. Some included a CRT display, and these were circular in the older models. A few featured numerical LED readouts.

Posted in: Articles, Aerospace, Test & Measurement, Measurements, Internet, Test equipment and instrumentation

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A Brief History of Modern Digital Shaker Controllers

Over a period of 40 years, four generations of digital vibration exciter control systems have been developed by various companies in the USA. They are categorized as standalone, PC-based, PC-tethered, and fully networked. This paper discusses the evolution and improvement of shaker controllers and the critical parameters that users should consider during the acquisition process.

Posted in: White Papers, Test & Measurement

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