Testing Single-Phase Transformer-Rated Meters - DVD
This 32-minute DVD shows how single-phase transformer-rated meters can be tested on the customer's property. The purpose of the test switch is explained, and the connection of test equipment to a test switch is demonstrated. Also covers accuracy tests and adjustments made on single-phase transformer-rated meter installations.
Meter Installation Review – 5 minutes
States the functions of a transformer-rated meter installation. Identifies and describes the functions of the following transformer-rated meter installation components: transformer-rated meter, current transformer, voltage transformer, test switch. Describes how the components of a transformer-rated meter installation can be connected.
Equipment, Tests, and Calculations – 10 minutes
Identifies and describes equipment used to field test single-phase transformer-rated meters. Shows tests typically used to field test single-phase transformer-rated meters. Includes examples of calculations needed to field test a single-phase transformer-rated meter.
Field Test Connections – 7 minutes
Describes preparations for making field test connections to a single-phase transformer-rated meter. How to conduct a creep check on a single-phase transformer-rated meter. How to connect a standard, a phantom load, and a test switch to field test a single-phase transformer-rated meter.
Field Testing and Calibrating – 10 minutes
How to field test and calibrate a single-phase, transformer-rated meter.