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RSS FeedsData Logger > Stand-alone Thanks to single-level cell (SLC) technology, DATAQ Instruments stand-alone data loggers can once again sample at throughput rates up to 14,400 samples per second. Due to inconsistencies with older SD cards using multi-level cell (MLC) technology, we were forced to reduce the maximum stand-alone sample rate specification for DATAQ Instruments data Read More
Category Archives: Data Logger
Data Logger vs. Data Acquisition
Data 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
Three Easy Steps for Stand-alone Data Logging Using a DI-71x Data Logger
Data Logger > Stand Alone Configure Connect a Data Logger to the USB or Ethernet port of your PC and run the provided set up software. Configure the data logger for your specific requirements in the following ways: Enable or disable specific analog channels in any order. For enabled channels define input configuration (single-ended or Read More
How To Determine 4-20 mA Loop Load
Data Acquisition > Current Additional Reading: 4-20 mA Shunt Resistor and Current Loop Data Acquisition Products Process current (4-20 mA) measurements are popular with DATAQ Instruments’ customers, and that often leads to some interesting application questions. One of the better ones relates to how many process current instruments can be connected to a single current Read More
How to Make Safe and Accurate Thermocouple Measurements Using Isolated Instrumentation
Data Acquisition > Thermocouple > DI-1000TC Thermocouples are the most widely used devices for temperature measurements. They are: Rugged; Inexpensive; Simply constructed (welded wires composed of dissimilar metals); Used to measure temperature ranges spanning thousands of degrees; Fast in their response to changes in temperature. But these attractive characteristics do not come without a price. Read More
What You Really Need to Know About Sample Rate
Data Acquisition > Software > WinDaq By and large discussions of sample rate are like watching paint dry. Do we really have to get into the details? After all, everyone knows that you only need to sample at twice the frequency of your signal of interest to get good results, right? If you answered “right!” Read More
Bandwidth and DI-8B/DI-5B Series Signal Conditioning Modules
Data Acquisition > Mixed Measurements Suppose you’re browsing the DATAQ web site looking for a DI-8B series, analog voltage module to acquire a 10V peak-to-peak, 100Hz waveform. You come across the DI-8B31-02. It’s an analog voltage module; it has a full scale measurement range of ±5V, perfect. Not so fast! The DI-8B31-02 has a bandwidth Read More
USB or Ethernet: Which Do I Choose?
Data Acquisition > USB or Ethernet When deciding between a USB and Ethernet interface, it’s important to weigh the advantages and disadvantages of both. In this application note I’ll outline the benefits (and drawbacks) of each interface; helping you to choose the best product for you’re application. When it comes to an instrument with a Read More
USB-to-Ethernet Adapters
Data Acquisition > Ethernet USB-to-Ethernet adapters make it possible to connect a DI-720/730 EN-B product to your PC via USB 2.0. These affordable, easy to install adapters are ideal for customers who either don’t have an available Ethernet port or are more comfortable connecting via USB. Installation takes 60 seconds or less and once installed Read More
4-20 mA Current Loop Data Acquisition
Data Acquisition > Current Additional Reading: 4-20 mA Shunt Resistor and Current Loop Data Acquisition Products One of the most common industrial measurements is 4-20 mA current loop data acquisition. Electrical noise, present in most industrial settings, makes measuring a sensor/transducer output as a voltage impractical—especially over long distances. The solution is to transmit the Read More