This lesson presents operating principles and procedures for using a variety of test devices including manometers, test gages, portable pneumatic and hydraulic calibrators, and pneumatic and hydraulic deadweight testers. Selection of the appropriate test device for a particular instrument calibration is also discussed.

This lesson describes the operation of electronic test devices as well as the measurement units used with typical test procedures. The lesson also presents the operation of multimeters and multifunction electronic calibrators in electronic test procedures.

This lesson describes the features of a temperature calibrator and how calibrator temperature and sensor type are configured.  This lesson also describes the reading and maintenance of thermocouplers and thermocoupler valves.

This lesson presents the operating principles and procedures for using analog and digital oscilloscopes. The lesson also provides an understanding of how these test devices work, the functions performed, and how they are utilized. Procedures for using an oscilloscope to measure amplitude, period, and frequency are also demonstrated.