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Tag Archives: 4-20 mA current loop

4-20 mA Current Loop Data Acquisition

Data Acquisition > Current 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 sensor/transducer output as a current signal (process current). This is achieved by Read More

4-20 mA Current Loop Measurement Resolution Calculations Made Easy

Data Acquisition > Current I estimate that 20-30 percent of measurements made by our customers are from 4-20 mA current loop sensors and systems. If you draw a blank after reading this first sentence, see this and this for some 4-20 mA background information. One question that arises quite often is how to calculate measurement Read More