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.
A differential pressure transmitter connected across an orifice plate in gas service by flange taps and sensing (impulse) lines will probably experience abnormal readings if:
A. sense lines are of equal height and length
B. meter is mounted below process line
C. meter is mounted above process line
D. sense lines are condensate free