power meter

Thân thiện

A technician checks the power meter outside the house.

Definition

1. Noun:
   • A device for measuring electrical power consumption: A "power meter" is an instrument that quantifies the amount of electric power used by a circuit, appliance, or system, typically displayed in units like watts (W) or kilowatt-hours (kWh).

Usage Examples

• Noun:
  • The electrician installed a new power meter to monitor the building's energy usage.
  • You can check your daily consumption on the digital display of the power meter.

Advanced Usage

• "Smart power meter": A modern, digital power meter that can communicate data remotely for detailed monitoring and billing.
  • The utility company is replacing all old meters with smart power meters.

Variants and Related Words

• Wattmeter (n): An instrument specifically for measuring electrical power in watts.
  • The engineer used a wattmeter to check the output of the generator.
• Energy meter (n): Often used synonymously with "power meter," especially when referring to cumulative energy consumption over time.
  • The energy meter tracks how many kilowatt-hours the household uses each month.

Synonyms

• Electricity meter: A common synonym, especially in residential contexts.
• KWh meter: A meter that measures in kilowatt-hours.

Notes on Meaning

• The term "power meter" specifically refers to the measurement of electrical power. In other contexts (e.g., cycling), a device measuring human power output is typically called a "cycling power meter" or simply a "power meter," but this is a distinct compound term. The core definition provided here is for electrical measurement.

Học thuật

Noun

1. a meter for measuring the amount of electric power used

Từ đồng nghĩa

• electric meter