301-08 - Single and Poly-phase Metering

301-08 - Single and Poly-phase Metering

Learning objectives

  • State the purpose of the watt-hour meter
  • List the units of measurement used in revenue metering
  • Identify the electrical and mechanical principles of meter operation
  • Explain meter constants and their purpose
  • State the differences in single and three phase construction
  • Explain Blondelrs Theorem
  • Explain the purpose of calibrating single and poly-phase meters
  • Explain the difference between as-found and as-left information
  • Demonstrate inspection and maintenance procedures for single-phase and poly-phase meters
  • Explain the process of calibrating a single phase meter
  • Explain the process of calibrating a poly-phase meter
  • Identify the function of a solid-state digital meter
  • Explain the purpose of the rotating standard
  • Locate requirements pertaining to use of a rotating standard
  • Perform a digital meter calculation
  • Demonstrate applications for load profile data

Course overview

When you complete this lesson, you will be able to discuss single and poly-phase specific meters including meter constants. In addition, you will be able to describe the process for meter reading, testing, and calibration.

The individuals involved in the development and promotion of this course do not receive any compensation or financial benefits outside of their regular employment for their work on this course.


  • 35 minutes
  • Format: Online Interactive
  • Tier: 3
  • Course ID: 5820
Language Icon English
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