Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables.
Which of the following measurement methods is most cost-effective for measuring the level of a highly corrosive media?
e) none of the above
ISA reference book: Maintenance of Instruments & Systems, 2nd Edition by L. D. Goettsche