In all process industries, quantities such as temperature, pressure, level and flow need to be measured and controlled. Control and measurement are done by various means including: electronic, pneumatic, and hydraulic equipment, and computers. The instrumentation technician installs, maintains, tests and calibrates the equipment used to control and measure. The technician works with the process designers and the work includes troubleshooting control loops, adjusting controllers and systems, and programming and troubleshooting computers.

