ISA Certified Control Systems Technician (CCST) program
Certified Control System Technicians (CCSTs) calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables.
According to ISA-5.1, the following P&ID symbol represents which kind of device?
A. Pitot tube
B. magnetic flowmeter
C. damper valve
D. constant flow regulator