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RSS FeedsData Logger > 4-20mA Process Current We’re often asked how to power multiple 4-20 mA sensors using a single power supply. While it is possible to do this, the usual cautions apply regarding ground loops and other subtleties. Readers who are new to measurements using sensors with 4-20 mA process current outputs should refer to our Read More
Tag Archives: 4-20 mA
4-20 mA Measurement Resolution
Data Acquisition > 4-20mA Current Loop Don’t overlook a vital component that affects 4-20 mA measurement success: Measurement resolution. Additional Reading: 4-20 mA Shunt Resistor and Current Loop Data Acquisition Products Measurements from sensors that have a 4-20 mA output are very common. Customers always ask how to connect them to a data logger or data acquisition 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
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
How To Make 4-20 mA Current Loop Measurements
Data Acquisition > Current Additional Reading: 4-20 mA Shunt Resistor and Current Loop Data Acquisition Products It seems that at least one 4-20 mA (milliamp) measurement is required by our typical customer, and the way to do it is a constant source of confusion for many. So I thought I’d zero in on the various Read More