This lesson is designed so that no prior knowledge is required.
This lesson demonstrates and explains how to use both a digital and an analog multimeter. During this lesson, voltage, resistance, current, capacitance, and frequency are measured. This lesson also describes some of the more common features of a digital multimeter.
This lesson is designed for participants familiar with AC and DC theory, electrical safety, and electrical print reading. A basic understanding of electronic devices and circuits is recommended.
This lesson explains and demonstrates the use of both analog and digital oscilloscopes. Participants will learn the controls on each type of oscilloscope, how to use a probe with an oscilloscope, how to set up an oscilloscope, and how to determine various measurements taken with an oscilloscope.
This lesson is designed for participants familiar with AC and DC theory, electrical safety, and electrical print reading. A basic understanding of electronic devices and circuits is recommended.
This lesson describes Wheatstone bridges, megohmmeters, and clamp-on ammeters. This lesson provides examples of the use of these instruments, identifies their components, and defines their functions. This lesson also describes safety and selection considerations for their use, describes how to set up the instruments, how to connect them to the systems under test, and how to take and read measurements. This lesson describes how to take a resistance reading of a Three-phase AC motor with a megohmmeter, how to set mechanical and electrical zero on a Wheatstone bridge, and how to interpret a Wheatstone bridge reading. This lesson also defines the “record” and “lock” features of a clamp-on ammeter and describes how to modify the range of the meter for the best results.
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