CT Energy Meter VS Standard energy meter - What Is the Difference?

CT Energy Meter VS Standard energy meter – What Is the Difference?

The difference between a CT energy meter and a standard energy meter mainly lies in the working principle, measurement accuracy, installation method, scope of application, etc. When choosing an electric meter, you should make a selection based on actual needs and usage environment to meet the needs of electric energy consumption measurement needs. This article will introduce the difference between a CT energy meter and a standard energy meter in detail.

CT energy meter

4 channles, RS485 modbus RTu, With Hall CT, Hall CT input, Default 0-40VDC

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CT energy meter VS standard energy meter in Working principle

CT Energy meter: The energy meter with CT converts the current signal into a voltage signal for measurement through a current transformer. The current transformer is a device used to measure large currents and can convert high currents into smaller currents so as to Measurements are made in the instrument transformer device.

Standard energy meter: The standard energy meter uses the electromagnetic or electrostatic measurement principle. The electromagnetic electricity meter generates a magnetic field through current, and the magnetic field acts on the current element to generate a torque to achieve measurement. The electrostatic electricity meter measures electrical energy based on the principle of electrostatic force.

CT energy meter VS standard energy meter in Measurement accuracy

CT electric meter: Because the energy meter with CT uses a current transformer for measurement, its current measurement has high accuracy, which can provide you with more accurate and reliable electricity consumption data, and provide information for rationally formulating electricity management strategies and reliable data support.

Standard energy meter: The accuracy of the standard energy meter in current and voltage measurement is relatively low and cannot be compared with electricity meters with transformers, but for general household electricity consumption, this error can be within an acceptable range.

CT energy meter VS standard energy meter in Installation method

Energy meter with CT: Since the current transformer needs to be directly connected to the power supply equipment, the installation of the energy meter with the Current transformer is relatively complicated. It usually requires professionals to install it and ensure the correct connection of related equipment and the reliability of grounding.

Standard energy meter: A standard energy meter is relatively simple and can be installed on the power line. You only need to cut off the power supply, disassemble the original electricity meter, wire it in the correct position, and fix it.

Energy meter with CT

External CT, max up to 600V voltage signal, 8 channels, measuring U/I, P, energy

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CT energy meter VS standard energy meter in application

CT Energy Meter: An energy meter with CT is widely used in large industrial sites or situations where high current loads need to be measured. For example, large equipment such as factories and power stations need to accurately measure their high current loads in order to control power consumption and implement planning fees.

Standard energy meter: Ordinary electricity meters are suitable for ordinary electricity consumption environments such as families, residences, and school dormitories. They can effectively measure electricity consumption and calculate electricity bills.

When choosing an energy meter, you need to make a choice based on actual needs and usage environment. If you need to accurately measure high current loads or manage energy consumption in large industrial sites, then an energy meter with CT is a better choice. Otherwise, you can choose a standard energy meter.