• October 17, 2023

    Three-phase Reference Standard Meter CL3112D

    Reference Standard Meter CL3112D, front view

    The three-phase reference standard meter is high precision, multifunctional and high performance, made according to the R46 standard in the OIML (International Organization of Legal Metrology).

  • October 16, 2023

    CL3250 HPLC Module Test Equipment:
    Ensuring Performance and Compatibility

    CL3250 HPLC Communication Unit Test Equipment

    The updating of HPLC technologies increases the application scenarios and market demand of HPLC modules. CLOU launches this product to tackle technical problems existing in operating communication modules.

  • July 21, 2023

    Portable AC Charging Pile Tester CL6360

    CLOU Portable AC Charging Pile Tester CL6360

    The CL6360 is testing equipment for AC charging piles, independently developed by us, strictly compliant to the design requirements of Chinese Standards.

  • October 5, 2023

    Optical Communication Head CL4S

    r optical communication head

    The optical probe CL4S is used for local communication with electrical energy meters. It’s compliant with the IEC 62056-21 . The communication is galvanically isolated.

  • November 28, 2023

    Multi Secondary Voltage Transformer MSVT

    MSVT 300x450

    This galvanic isolation is done by a Multi Secondary Voltage Transformer (MSVT), which has one secondary taping for each single phase meter under test.

  • November 29, 2023

    Three Phase Test Bench CL3000


    Our three phase test bench for type tests and for calibration of electrical energy meters.

  • November 29, 2023

    Portable Calibrator CL3013

    r r CL3013

    The CL3013 is a reference standard with integrated three-phase current/voltage source. It’s used in laboratories of power companies or metrological institutes.

  • October 7, 2023

    Stationary Meter Test Equipment

    r Auto line 1

    We offer a wide range of stationary test equipment for electrical energy meters. All test results are traceable to international standards.

  • December 4, 2023

    Electrical Measurement Studio EMS5

    CLOU EMS5 Software

    The CLOU EMS5 software is a controlling software for stationary and portable meter test equipment.

  • September 1, 2023

    Isolating Current Transformer CL2030-D


    If a meter has no possibility to open the internal link between voltage and current, the test must be performed with an Isolated Current Transformer (ICT) at each measurement position.

  • October 8, 2023

    Three Phase Reference Standard CL3115


    The reference standard is used in energy meter test benches for high precision measurements of voltage, current, phase-shift and frequency. The accuracy class is 0.02.

  • September 1, 2023

    Portable Calibrator RS350


    The portable reference standard and calibrator RS350 is especially designed for the needs of metering engineers for on-site testing with high precision.