Introduction to Metering – Watch Instant Video

Training Sessions

Basic Concepts of Metering – 8 minutes
Identifies several early types of electro-mechanical watthour meters. Identifies the basic parts and describes the operating principles of a modern electro-mechanical watthour meter.

Self-Contained Meter Application – 8 minutes
Explains the difference between self-contained meters and transformer-rated meters. Lists and explains some of the information typically found on watthour meter nameplates. Identifies the characteristics of a typical three-phase delta service and a typical three-phase wye service.

Transformer-Rated Meter Application – 8 minutes Explains how an instrument transformer is connected to a transformer-rated meter. Identify the two main classifications of instrument transformers. States the function of a test switch.

Meter Testing – 10 minutes Describes the basic steps for conducting a comparison test on a single-phase watthour meter. Explains the function of a standard and describes how a standard is used to conduct accuracy tests.

Meterman Responsibilities – 9 minutes Describes some of the tasks and responsibilities commonly associated with being a meterman. Shows some typical installation checks performed by metermen and explains how they are done. Identifies several forms of power theft.