Tag: Instrumentation
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Why When You Measure Matters as Much as What You Measure
A clean reading at the wrong moment can still give you the wrong answer. Why data timing and alignment decide whether a test result means anything. Read more
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What Signal Conditioning Actually Does Before Your DAQ Sees It
Raw sensor output is rarely ready to measure. Here is what signal conditioning does, amplify, filter, isolate and excite, before your DAQ digitizes it. Read more
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RTD vs Thermocouple: How to Pick a Temperature Sensor
RTD vs thermocouple: a plain guide to picking the right temperature sensor by range, accuracy, speed, and cost, from Dynamic Engineering in Cleveland. Read more
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Why Sensors Send 4 to 20 mA Instead of a Voltage
Industrial sensors almost always send a 4-20 mA current loop instead of a voltage. It holds up over long cable runs, ignores noise from motors and drives, and a reading of 0 mA tells you a wire is broken. Read more
