Energy Meters

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Power Meters are designed to monitor energy usage. In industrial settings, power meters are used to measure the power usage of machinery, lighting, appliances, and even entire buildings. This data can be used to reduce energy usage and save on electricity bills. Power meter supplier use power meters to help determine when a machine is malfunctioning or wearing out. Revenue Grade Power Meters are utilized in residential or commercial buildings to bill tenants individually for energy use.

Electric Meter Working Principle

Smart electric energy meters use shunts or current transformers to turn current signals into small signals that can be used for electronic measurement, and use different types of energy metersvoltage dividers or voltage transformers to turn voltage signals into small signals that can be used for electronic measurement, and then use dedicated energy measurement. The chip converts analogue signals from voltage transformers and current transformers into digital signals, and performs digital integration operations on them, and then outputs a pulse signal whose frequency is proportional to the electrical energy. The pulse signal is sent to the microcomputer for processing and then displayed on the liquid crystal.

Electric Meter Function

Display power, demand, voltage, current, power, time, remaining amount and other values, the number of display digits is not less than 8 digits, and the display decimal place can be set; the displayed value unit should adopt the national legal unit of measurement, such as kW, Kvar, kWh, kvarh, V, A, etc.

Measure operating parameters such as total and split-phase active power, reactive power, power factor, split-phase voltage, split-phase current, frequency and so on.

Alarm functions include loss of voltage, loss of current, reverse sequence, overload, battery Undervoltage, etc.

It has dual protection measures of programming switch and programming password to prevent unauthorized persons from performing programming operations. The electric energy meter can only be programmed in the state of allowing programming, and the broadcast time calibration and meter reading operations are not controlled by the programming switch.

Applications of Energy Meters

A power meter is easy to use, accurate and is the preferred instrument for cost effective power measurement solutions for a wide range of applications, such as: Production line testing of electric devices, evaluation of large current equipment, battery or DC driven device evaluation, quality assurance, efficiency measurement for industrial motors, rotating machinery and calibration labs, for installation and maintenance tasks and partly for R&D. It is also used to measure GRID power.

As a professional energy meter factory, we provide acrel energy meter, multi circuit energy meter, precision dc current shunts, acrel meterand etc. Want to know more, contact us.

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