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RSS FeedsData Acquisition or Data Logger If you need to digitize an analog signal, record it, and provide a method to analyze it, do you need a data logger or a data acquisition system? It has become increasing clear that the answer is ‘Yes’ to both products. What I mean is that the traditional definitions of Read More
Category Archives: Data Acquisition
How To Measure Current
Data Acquisition > 4-20mA Current Loop …current is always measured indirectly from an external sensor that produces a voltage output that is proportional to current. Since the only difference between a voltage and current measurement is the scaling that you apply to the result, voltage measuring instruments are almost always used to measure current. Read More
WinDaq System Used in Bridge Monitoring
Data Acquisition > Ethernet > Distributed Synchronous The I-35W Mississippi River Bridge in Minneapolis, MN connects Downtown East to Marcy-Holmes. Following its catastrophic failure on August 1, 2007, a decision was made to rebuild the bridge with a state-of-the-art monitoring system. The contractor chose DATAQ Instruments hardware and software for the job due to our expertise Read More
Data Acquisition Tips and Techniques
Data Acquisition > Mixed Measurements A Guide To Data Acquisition Signal Input Configuration Does a thermocouple signal require isolation? Should the output of a strain gage amplifier be connected as a single-ended or differential input? Is a differential input always a better choice than a single-ended configuration? These fundamental instrumentation questions may not be easy Read More
Synchronized and Distributed Data Acquisition Using DI-720/DI-730 Instruments in Hot Strip Steel Mills
Data Acquisition > Ethernet > Distributed Synchronous Background The need to acquire data in a distributed and synchronized manner is required in a variety of applications. Consider a hot strip mill that creates a long steel coil starting from a slab of steel. The process consists of: A pre-heat procedure that heats the initially cold Read More
Intelligent Oversampling Methods Add Measurement Flexibility
Data Acquisition > Software > WinDaq Editor’s note: Watch our YouTube videos for in-depth Intelligent Oversampling demonstrations. DATAQ Instruments has established a tradition of developing data acquisition boards that provide programmable intelligent oversampling on a per channel basis. This instrumentation approach is little-known and is only supported by DATAQ Instruments products. The programmable intelligent oversampling Read More
The Art and Science of Reliability
Data Acquisition > Ethernet John Deere is a major supplier of agriculture, construction, forestry, consumer, and commercial equipment with a reputation for quality and innovation. At the company’s Construction and Forestry Division in Dubuque, IA, engineers are deploying cutting-edge technology to ensure utmost product performance and reliability. Vital to this effort is the division’s data Read More
Bridge Structural Monitoring System
Data Acquisition > Ethernet > Distributed Synchronous The collapse of the I-35W Mississippi River Bridge in Minneapolis, Minnesota on August 1, 2007 was a calamity of huge proportion. Carrying over 135,000 vehicles daily, the bridge failed during the evening rush hour resulting in thirteen fatalities and 145 injuries. Almost immediately plans were formulated for a Read More
Intelligent Oversampling Enhances Data Acquisition
Data Acquisition > Software > WinDaq Editor’s note: Watch our YouTube videos for in-depth Intelligent Oversampling demonstrations. Intelligent Oversampling pays dividends in so many applications, especially in terms of noise reduction, that it’s difficult to think of an application that wouldn’t benefit. Did you ever wish you could have your cake, and eat it too? In Read More
Data Acquisition in Microsoft Excel—How to Import Recorded Data
Data Acquisition > Software > WinDaq > WinDaq/XL In our experience, Microsoft Excel is the most popular application for waveform analysis. Our customers ask about porting waveform data to Excel more so than all other applications combined. In response, DATAQ Instruments’ developed WinDaq/XL to allow users of WinDaq software (both recording and playback software) to Read More