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ELECTRIC METERS FOR POWER AND ENERGY READING

What is an Electricity Meter? 
An electricity meter or energy meter is a device that measures the amount of electric energy consumed by a residence, business, or an electrically powered device. Electricity meters are typically calibrated in billing units, the most common one being the kilowatt hour. Periodic readings of electric meters establishes billing cycles and energy used during a cycle..continue..



Electric Meter, or Watt-hour Meter, an instrument that measures the amount of electric energy used by a consumer. The meter is calibrated in kilowatt-hours. One kilowatt-hour is the amount of electric energy required to provide 1,000 watts of power for a period of one hour. (Ten 100-watt light bulbs left on for one hour consume one kilowatt-hour of electric energy.).continue..


The third digit is a three because the digit to the right has not yet passed zero.  If the second dial from the right was between the zero and the one, then the third digit would have been a four.  Easy isn't it!  To practice, go outside to your home or business and record the readings for several days in a row.    By subtracting yesterday's reading from today's reading, you can get a feel for how much energy (kilowatt hours) you use each day..continue..


Electric Meter, or Watt-hour Meter, an instrument that measures the amount of electric energy used by a consumer. The meter is calibrated in kilowatt-hours. One kilowatt-hour is the amount of electric energy required to provide 1,000 watts of power for a period of one hour. (Ten 100-watt light bulbs left on for one hour consume one kilowatt-hour of electric energy.).continue..


An electric meter is a device that measures and registers the integral of an electrical quantity with respect to time. The term “meter” is also used in a general sense to designate any type of measuring device including all types of electrical measuring instruments. Use of “meter” as a suffix to a compound word (e.g., voltmeter, ammeter, frequency meter) is universally accepted. However, in this chapter the narrow meaning of “electric meter” is used..continue..


Defective Meters
Although electric meters are hardy devices, it is always possible that some of them may develop defects over extended service periods. To ensure that meters on the system will remain accurate, the distributor should implement a periodic meter testing program. Periodic meter testing is required by TVA although testing intervals are not specified. A program meeting current industry standards should be designed so each meter on the system is tested no less frequently than shown in table.continue..

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