• June 11, 2024

    Type Tests for Energy Meters:
    Ensuring Accuracy and Reliability

    Test Chamber For Solar Radiation Test (credit Clou)

    Type Tests for Energy Meters: Learn how these rigorous evaluations ensure accuracy, reliability, and compliance in the electrical energy sector. Discover the significance of internationally recognized standards like IEC62052-11 in promoting fair competition and interoperability.

  • February 28, 2024

    Beyond the Noise:
    Maintaining Accuracy with EMC in Energy Metering

    Ensuring EMC compliance is crucial for all types of electronic equipment (symbol image, credit CLOU)

    EMC tests for energy meters, as per standards like IEC 62052-11:2020, are crucial for ensuring compliance and reliability. These tests evaluate the meters' ability to withstand electromagnetic disturbances and control their emissions, enabling harmonious operation in diverse electrical environments.

  • January 20, 2024

    The Solar Radiation Test for Energy Meters

    Solar Radiation On Earth (credit Clou)

    The effect of solar radiation on the measurement of electronic energy meters is a complex phenomenon that is influenced by various factors such as the intensity and duration of exposure to solar radiation, the orientation and location of the meter, and the temperature of the environment.

  • November 23, 2023

    Spring Hammer Test for Electronic Energy Meters

    Spring Hammer Test Device

    This type of test is carried out in order to ensure that the meter has been designed and manufactured to the required standard and will withstand impacts caused by external forces, such as hail and moving objects due to high wind loads.

  • November 19, 2023

    Glow Wire Test:
    Resistance to Heat and Fire

    Fire Can Be Prevented By Choosing The Proper Materials (credit Pexels)

    The glow wire flammability test is used to simulate the effect of heat that may occur in malfunctioning electrical energy meters, such as when components are overloaded or glowing.

  • April 8, 2024

    The Effects of Renewable Energy on Power Quality in the Grid

    Total Harmonic Distortion In The Power Grid (symbol Image Clou Ai)

    Power grid operators need to consider the total harmonic distortion. It has to be maintained as low as practicably possible. Higher power factor, lower peak currents, and more efficiency result from decreased THD in the grid.

  • February 9, 2024

    Meter Constant- or Register Test?


    The proper energy registration is the essential part for energy meters. Bills are issued according to the register readings.

  • February 18, 2024

    Self-Consumption in the Current Circuit

    Maximum Allowed Self Consumption In Current Circuit

    The IEC 62052-11 has a tiny little detail about the power consumption in the current circuit.

  • February 19, 2024

    The Energy Meter Power Consumption

    Clou Meter Self Consumption Current Test

    Power consumption is part of the technical losses. The utilities are bearing these costs. The end-user is not charged.

  • November 3, 2023

    Measurement Uncertainties for Test Benches


    A test bench consists of several elements which can introduce additional variable errors.

  • March 20, 2024

    Maximum Current for Energy Meters

    terminal quick connector for Chinese singlephase meter

    Energy meters have certain characteristics, including maximum current. It is the basis for all types of meter tests.

  • June 15, 2024

    Markings on the Case of Energy Meters

    r nameplate 1

    The IEC 62052-11 Edition 2 has introduced some changes for the meter marking and documentation. Today we cover the mandatory content of the nameplate for IEC meters.