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RSS FeedsData Logger > Temperature and Humidity Since we sell many data logger products that can measure temperature and humidity customers often ask us how they can verify accurate humidity measurements. That’s a good question. Verifying temperature is easy, but humidity is an entirely different matter. Fortunately, ordinary salt possesses a valuable characteristic that we can Read More
DATAQ Instruments Application Notes and News
Synchronized Data Acquisition Options
Data Acquisition > Ethernet > Distributed Synchronous Sometimes you need to acquire data from several different locations that are separated far enough from each other that they cannot be acquired by a single, multichannel system. This defines the need to synchronize readings from two or more data gathering systems. In situations like that, how you Read More
Run WinDaq and Begin Recording on Windows Startup
Data Acquisition > Software > WinDaq A new application, currently for use with DI-718 and DI-730 Ethernet products, allows you to run WinDaq and begin recording on Windows start-up. The application, titled LaunchWinDaq, lets you “set it and forget it”. After following through a short procedure to save your default conditions (calibration, scaling, annotation, etc.), Read More
What’s an Instrument Protocol?
Data Acquisition > Software DATAQ Instruments has announced via its Twitter, RSS, and Facebook feeds that a preliminary version of the protocol for the soon-to-be-released DI-149 starter kit is now available for download and review. So, what’s a protocol? First, let’s separate those who need to read further from those who don’t. If you will Read More
How To Maximize RPM Measurement Resolution
Data Logger > Graphtec > GL820 A Graphtec GL820 data logger user could not understand why the resolution of the instrument was not better than 60 RPM. He connected the output of a reflective tape sensor to a discrete input programmed for REVOL, which applies an automatic scaling operation as follows: Clearly from the above Read More
Create an Excel Macro to Add Seconds to DI-160 Event Data Logger Files
Data Acquisition > Event, State, Count > DI-160 Microsoft Excel automatically assigns a date/time format to files generated by the DI-160 Event, State and Count data logger that does not include seconds (mm/dd/yyyy, hh:mm). As a result, events that occur more often than once a second appear in the data file with the same date/time Read More
WDQ2TDM File Conversion Utility
Data Acquisition > Software > WinDaq to TDM DATAQ Instruments is now providing a FREE utility to convert their native WinDaq data files (.wdq format) into .tdm (test data exchange) format. Well, not exactly, they’re actually creating an xml header file (saved with the .tdm file extension) to allow any .tdm-supported program to read WinDaq Read More
Maximum Thermocouple Wire Length
Data Acquisition > Thermocouple We commonly hear, “What’s the maximum thermocouple wire length I can use with your instrument?” That’s a good question. There are two factors that affect TC cable length: 1. Noise 2. Inaccuracy The longer the cable the more susceptible it is to radiated noise. The TC represents a low impedance source, Read More