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    GDYM-3F Portable Multi-functional Energy Meter Calibrator hits:

    Product Description

    GDYM-3F Electric Energy Meter Calibrator is multi-parameter measuring instrument which is full digital, mullti-function and high precision. It is not only enable to calibrating the error, but also to measure voltage, current effective value, active power, reactive power, apparent power, power frequency, power factor, phase relationship, etc. It is especially suitable for calibrating the measurement accuracy of 3-phase electric energy meter in the power supply unit. 


    • Simultaneously calculating all parameters of full-wave, fundamental and harmonic wave. In the calibration interface, real-time display of U, I, P, Q, VA, phase angle of full wave fundamental waves, synthesis U, I, P, Q, VA and percentages of harmonics, positive, negative and zero sequence content of U and I, PH+, PH-, PH+/P base%, PH-/ P base% of harmonic, PF of full wave, fundamental wave and harmonic wave.
    • 7 kinds of calibration mode, including full wave active power, full wave reactive power, fundamental wave active power, fundamental wave reactive power, fundamental wave apparent power, full wave apparent power, harmonic active power. Not only can verify the accuracy of the active energy of the full wave meter, the fundamental wave meter and the harmonic meter as well as the accuracy of the reactive energy of the full wave meter,and the fundamental wave meter. But also can verify the accuracy of the apparent electric energy meter.
    • Choose any harmonic or multiple harmonics to calculate the combined U, I, P, Q, VA, and percentages, as well as harmonic active energy.
    • The contents and measured values of U, I, P, Q and VA of the three-phase harmonics can be separately and simultaneously analyzed to display the 51st harmonic PH+, the harmonic PH- and the percentage of the fundamental wave, to determine the impact of the positive and reverse harmonic active power on the measurement.
    • Full-wave reactive power is the algebraic sum of fundamental and harmonics reactive power. Avoid the past 90 degree phase shift method, under the harmonic reactive power measurement error situation. The frequency of the harmonic can be selected according to the measurement bandwidth of tested energy meter.
    • Two-way detection pulse can be detected at the same time, the constant, working mode and pulse numbers of the detected pulse can be completely different.
    • 2.4 times overload, all measurement points to ensure the accuracy of 0.05%, to ensure the measurement index when CT secondary rated current is 1A .
    • 500 times current range to ensure measuring index, 10000 times current display range. Minimum 1mA start current. Under Massive Quantity Power Supply and Measurement , no load can also identify the wiring.
    • Electric energy accumulation function can check the electric energy meter without electric energy pulse output.
    • Display vector diagram, identify three wire of 48 kinds, four wire of 96 kinds of wrong wiring and CT second cross wiring.
    • 7-inch 16: 9 industrial TFT wide color touch screen. Each function of the instrument is one screen display, the user can see all the parameters of each function on one screen.
    • In the case of no voltage and current signal, the instrument can simulate all kinds of wiring in the office, and get the corresponding wiring result and correction coefficient. This function can be used as a training tool for line lookup, and improve the line checking skills of the staff.
    • The instrument can produce 0.05A-5A of the actual current signal applied to the 5A clamp to measure the error of the clamp. The problem of 5A clamp error changes after the longer use time has been solved. It is possible to know the closure of the clamp at any time and remind the staff to clean the jaws. When the 5A clamp is replaced, the error can be corrected to the 0.2 level.
    • Automatic entry power meter number (Optional function)

    The bar code scanning gun is supported, and the number of electric energy meter is automatically encoded.

    • Uses 485 or infrared photoelectric head, read multi-function power meter tip, peak, flat, valley, the total active and reactive power base, read the constant and the time-correct. Support GB DL645 Statute DL645-1997 and DL645-2007. (Optional function)
    • Built-in 2G electronic disk.
    • With a 3 inch spot printer, battery powered, directly convert color screen images to black and white and then print.
    • With 5A, 100A, 500A, 1000A clamp, direct measurement of low-voltage current transformer ratio and ratio error.
    • Display the voltage and current waveforms of A, B, C three-phase.
    • Operating power input range 55V-600V. The rated voltage of the three phase voltage input industrial socket is 600V.
    • All the parameters that need to be entered on the scene and the download data can be defined by the user freely. Can download 5000 user data.
    • The current screen can be stored to U-disk.
    • With the function of measuring temperature and humidity.
    • With USB interface, connect the USB to form a super large space, convenient for data copy.
    • Touch screen plus key operation, input keyboard adopts computer keyboard arrangement. The user can also use the PC computer keyboard of the USB interface.
    • Carry on right time with PC through the instrument USB interface.
    • The tablet computer can control the instrument directly, and the operating interface is the same as the instrument.
    • Voltage measurement sockets and power switching switches are industrial level and can be used under 600V. (ordinary city power switch is 250V, 380V is used in super range, there is a hidden danger)
    • High safety design. The city electric socket, voltage measurement socket, current input and current clamp input are separately isolated, and the withstand voltage is 4kV.
    • Electric energy pulse input protection. It can protect automatically when input high voltage and display prompt information on the instrument. After correcting the error, the click interface can reset the protection.
    • 5A clamp self correction function: the 5A current signal produced by the instrument is added to the 5A clamp to measure the error of the clamp.
    • Using 5 low power consumption ARM chips, all the operational capabilities are more than 1GIPS, and all the parameters of the 51 harmonic and full wave are calculated at the same time.
    • Using the mature and genuine WINDOWS CE operating system, it is stable and reliable.



    Guarantee error range


    Starting measuring value


    Rated value


    Error accuracy






    Rated Ie





    Rated Ie




    Starting current


    Input frequency range


    Frequency measuring error


    Phase angle measuring range

    -180°- 180°

    Max. Phase angle error


    Harmonic percentage, harmonic electrical parameters, and harmonic electric energy measurement times

    2-51 times


    Pulse constant

    Note: Ie is rated current


    Low frequency output (3 gears)




    3600P36000P360000P *(5/Ie)P/kWh


    Internal high frequency


    1.8x109 P/kWh

    Other current gears

    1.8x109   *(5/Ie)P/kWh

    Maximum pulse input frequency



    5A terminal

    Full-wave fundamental wave kWhPUI


    Full-wave fundamental wave



    Harmonic wave     UIPQS

    ±0.2%H H=1+0.01k  K=2-51



    5A clamp


    Full-wave fundamental wave kWhPUI


    Full-wave fundamental wave



    Harmonic wave      UIPQS

    ±0.5% H H=1+0.01k  K=2-51

    Self checking current cyclic output current


    Self checking error (linear and angular difference)



    Big current clamp

    Full-wave fundamental wave kWhPUI


    Full-wave fundamental wave



    Harmonic wave      UIPQS

    ±1.0% H H=1+0.01k  K=2-51




    Ratio measurement


    Voltage influence

    < ±0.01%

    Frequency influence

    < ±0.01%

    Temperature influence

    < ±0.005%/℃

    24hours change error

    < ±0.01%

    Harmonic influence

    < ±0.01%

    Rechargeable battery

    11.1V 3000mAh

    Withstand voltage (Voltage current measurement and power supply and low-voltage terminals)

    4.0 kV

    Electrical Fast Transient Burst

    4.0 kV


    4.0kV (Common mode)2.0kV (Differential mode)

    Standby time after start-up

    <3 minute

    Ambient temperature


    Relative humidity


    Working power supply

    AC 55V - 600V

    Power consumption

    <  9W


    275mm * 196mm * 78mm


    <  1.5 kg

    Address: F/10, Block B7, JinYinTan Modern Enterprise City, Dongxihu District, Wuhan, China
    Email: info@hvhipot.com
    Skype: hvhipot@hotmail.com
    Tel: +86-27-85568138
    Fax: +86-27-65606183
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