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RSS FeedsData Logger > Thermocouple We had an interesting situation develop recently for a data logger that we resell. If you follow the link you’ll see that this is an inexpensive, thermocouple (TC) data logger that’s actually quite popular. This particular application needed to monitor the temperature of biological samples shipped via FedEx over a four-hour Read More
DATAQ Instruments Application Notes and News
Capturing the Quake of August 23rd, 2011
Data Acquisition > Software > WinDaq On August 23rd, 2011 an earthquake centered in the state of Virginia, at a depth of 3.7 miles, shook much of the Atlantic seaboard, New England and the Midwest. Felt as far West as Detroit, Michigan, the magnitude 5.4 quake registered atop the JW Marriott Hotel in Indianapolis, Indiana. Read More
Extracting Volume from Flow Using Counters
Data Acquisition > Starter Kits > DI-149 Counters are used in a wide variety of data acquisition applications, from measuring radiation exposure to counting the number parts coming off of an assembly line. A particularly useful counter function is extracting volume from flow. This information is critical in a host of industries. In the aerospace Read More
Single-ended vs. Differential: Confusion Reigns
Data Acquisition > Products There is a persistent quandary out there concerning the difference between single-ended and differential analog input configurations. Specifically, many have the impression that analog inputs configured to be single-ended cannot measure negative-going voltages inputs. I’m not sure where or how this rumor got started, but it’s pervasive and has led many Read More
Be Mindful of Polarity When Making Thermocouple Measurements
Data Acquisition > Thermocouple A little vigilance will save you a lot of time and aggravation when making thermocouple measurements. A common mistakes people make when using thermocouples to acquire temperature data is to assume that the red wire is positive. I know what you’re thinking, “Isn’t it?” Nope. Contrary to popular belief (and what Read More
What’s All This Sink and Source Current Stuff?
Data Acquisition > Current Anyone who has connected to the digital outputs of data acquisition or data logger systems (for example the digital outputs of our DI-2108 and Starter Kits) has wrestled with sink and source current specs, and they continue to be a topic of confusion for many. When does sink current matter, and Read More
Choosing an SD Memory Card
Data Logger > Products SD memory cards are not created equal. Because an SD memory card works in your digital camera, doesn’t necessarily mean that it will work with your stand-alone data logger. When used in a digital camera, the rate at which data is written to the SD card isn’t critically important. Sure, if Read More
Event Versus Analog Data Acquisition
Data Acquisition > Event, State, Count Customers always know what problem they need to solve. Often don’t know how to find the best solution, which sometimes leads to cramming square pegs into round holes. A recurring example is the attempt to use an analog data logger to record counts or times of an electromechanical process. Read More
What’s the Difference between Data Loggers and Data Acquisition?
Data Acquisition > Products or Data Logger > Products In two words: Not much. But it was not always so. There was a time not long ago when significant differences existed between these two basic system types. Consider the following typical data logger features versus its data acquisition cousin: Data loggers were battery powered. Data Read More
Use the EL-DataPad to Configure your EL-USB Temperature/Humidity Logger and Review Data
Data Logger > Lascar > EL-USB Series The size of a deck of playing cards, with an LCD touch-screen, the EL-DataPad allows you to configure your EL-USB temperature/humidity data logger and review recorded data, without the need for a PC. Simply plug your EL-USB data logger into the built in USB port and follow through Read More