GDHG-206 CT/PT On-site Calibrator-Current Transformer Calibrator 

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    GDHG-206 CT/PT On-site Calibrator hits:

    Product Description


     GDHG-206 CT/PT On-site Calibrator is designed for analyzing current transformers and voltage transformers of ratio error, angle error, ratio error/angle error of 1%-200% current. It can directly measure turns ratio and polarity, actual secondary burden of CT/PT.

    The model uses DC and AC power supply with high precision and automatic linear adjustment. High speed and reliable digital processing module is also adopted.



    Features

    1. 320*240 LCD screen display.
    2. Finish error measurement of CT/VT by single machine, convenient for on-site calibration.
    3. Field calibrating CT/PT. No need standard CT/VT, current injector, voltage booster, Current/Voltage load box, control unit and primary current injection cable. The wiring is very simple, greatly improve working efficiency.
    4. There is standard CT inside that the turns ratio is the same with tested CT, which the accuracy is class 0.02.
    5. Anti-interference of power frequency electromagnetic radiation and series connection.
    6. Broad measurement range. It can measure both standard ratio and non-standard ratio CT.
    7. Direct analyzing the data if it is pass or fail.
    8. Measure standard CT or non-standard CT 1%-120% rule point error(angle error and ratio error).
    9. Measure standard CT or non-standard CT 1%-200% any point error(angle error and ratio error).
    10. One time testing and display error of upper limit burden and lower limit burden of CT.
    11. One time testing and display error at any actual burden of CT.
    12. Test known and unknown polarity and turns ratio of CT, and determine actual current ratio of unknown CT and roughly determine if the secondary current is 5A or 1A.
    13. 20%-120% error measurement of VT.
    14. One time testing and display error of upper limit burden and lower limit burden of VT.
    15. One time testing and display 2groups of rule point error at any actual burden of VT.
    16. Measure turns ratio and polarity of VT.
    17. Automatic judging the connection status. It will display wrong connection, wrong turns ratio and polarity.
    18. Save and print test result.
    19. With USB port, easy to transmit data to PC.


    Specifications


    • CT Turn Ratio Range: 5A/5A- 25000A/5A (5A/1A- 5000A/1A)
    • Turn ratio error  ±0.2%
    • Error Measurement Range: 5A/5A- 5000A/5A (5A/1A- 5000A/1A
    • Accuracy of tested CT: 1.0, 0.5, 0.5S, 0.2 and 0.2S
    • For the testing point of 1% or 5%, the error mainly depends on the deviation of signal collection by the tester, that is the deviation of dial indicator reading and deviation of 1turn center position.
    • Accuracy: ±0.05%, see below table 

     

    Measurement Error

    Rated Current

    Ratio Error(±%)

    Angle Error(±′)

    5%

    0.10

    4

    20%

    0.05

    4

    100%

    0.05

    2

    120%

    0.05

    2

    200%

    0.05

    2

    •  VT Turn Ratio Range: ±0.2%
    • Error Measurement Range:

    Primary voltage: 3-35kV/3

    Secondary voltage: 100V, 100V/3, 6kV/100V10kV/100V, 20kV/100V35kV/100V6kV/3/100V/3, 10kV/3/100V/320kV/3/100V/3, 35kV/3/100V/3, 66kV/3/100V/3110kV/3/100v/3

    Power factor: 0.0-1.0

    • Accuracy: ±0.05%, see below table

     

    Measurement Error

    Rated Voltage

    Ratio Error(±%)

    Angle Error(±′)

    80%

    0.050

    2

    100%

    0.050

    2

    120%

    0.050

    2

    •  DC resistance: 0.0-0.1Ω  ±3%

                  0.1-50Ω  ±1%

    • CT secondary burden: 1Ω-25Ω     ±2%
    • PT secondary burden: 1VA-500VA  ±2%
    • Calibration:

    Voltage range: 0-100V (Dial indicator error 0.5%)

    Ratio error: 0.001%-3% (100V)

    Angle error: 0.00-50 (100V)

    Error: DX= ±(2%×X+2%×Y±2digit),  DY= ±(2%×X+2%×Y±2digit)

    Admittance: 0.1ms-99.9ms

    • Power supply: AC 220V±10%, 50Hz±2%
    • Environment temperature: 0-40
    • Consumption: 30W(static), 150W(working)
    • Humidity: <85% at 25
    • Dimension: 472*355*168mm, weight is about 6kg.



    Packaging & Shipping

    1. Main Unit  1pcs
    2. Power Cord  1pcs
    3. Test Lead  1pcs
    4. Alligator clamp 4pcs
    5. Print paper 1pcs
    6. Fuse 0.5A  3pcs
    7. Factory Test report  1pcs
    8. Users Guide  1pcs


    CONTACT US
    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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