Instrumentation Quiz Time! Can you solve this classic 4–20 mA signal question? What current (mA) corresponds to 75% of the measurement range? A. 14 mA B. 16 mA C. 15 mA D. 18 mA Remember: – 0% = 4 mA – 100% = 20 mA – Span = 16 mA This is a fundamental concept every instrumentation engineer should know for transmitter calibration, loop checking, troubleshooting, and commissioning activities. Drop your answer in the comments before checking others’ responses! Bonus: Share the calculation method you used to reach the answer. Follow us for more Instrumentation, PLC, DCS, SCADA, and Industrial Automation quizzes and learning content. Post navigation Differential Pressure (DP) Level Measurement Can you identify what LOTO stands for?
