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CCI capacitive coupling clamp and calibration assembly thereof

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EM TEST

CCI capacitive coupling clamp and calibration assembly thereof
  • Product Description
  • Main features
  • Technical parameters
    • Commodity name: CCI capacitive coupling clamp and calibration assembly thereof
    • Commodity ID: 1064718367081517056
    • 品牌11: EMTEST
    • 描述: HFK is used to couple electrical fast transients/swarm pulses to I/O lines and meets the requirements of European and international standards for counter interference testing.
    • 品牌: EM TEST

    HFK is used to couple electrical fast transients/swarm pulses to I/O lines and meets the requirements of European and international standards for counter interference testing.

    The application of electrical fast transients/pulse groups to a signal line generally cannot be achieved by discrete capacitive coupling without interfering with the signal flow. It is usually not possible to have direct access to the cables to be tested, such as coaxial or shielded cables. EM TEST's solution is to connect the interference simulator to both ends of the capacitive coupling clamp to achieve coupling through capacitive coupling clamp.

    According to Ed 3.0 of IEC 61000-4-4 issued in 2012, the calibration of the capacitive coupling clamp is carried out by 50 ohm coaxial load using the standard calibration component ICC PVKIT 1.

  • Main features:

    Complies with IEC 61000-4-4 standard Ed.3

    Suitable for electrical fast transient/pulse group testing of signal and data lines

    Effective coupling length is 1 m

    Pulse group voltage 7 kV

    Test cable diameter up to 40 mm

    The capacitive coupling clamp calibration assembly complies with IEC 61000-4-4 Ed.3

    Meet the standard:

    IEC 61000-4-4

    EN 61000-4-4

    IEC 61000-4-18

    EN 61000-4-18

    CCI PVKIT 1 Calibration Settings:

    Calibration of capacitive coupling pliers

    IEC 61000-4-4 standard Ed 3.0 recommends that the capacitive coupling pliers be calibrated. EM TEST has developed and designed the CCI PVKIT 1 calibration module in accordance with the requirements of the standard.

    The following facilities are required for calibration:

    CCI PVKIT 1: Includes sensor board and support accessories

    PVF 50:50 ohm load resistance

    PVF AD 3:4 mm adapter for connecting sensor boards to SHF coaxial connectors for KW 50

    Calibration Settings:

    The sensor plate shall be placed in the capacitive coupling clamp so that the end of its connecting adapter is aligned with the edge of the coupling plate. The connection adapter PVF AD 3 is connected to a low impedance connection band and connected to the ground reference plane of the 50 ohm coaxial measuring terminal/attenuator. Connect the load resistor KW 50 to the AD-CA EFT adapter. The PVF 50 is positioned at the same height of 100 mm from the ground reference plane as the coupling clamp using the acrylic support attachment.

    The distance between the sensor plate and the PVF 50 measuring terminal/attenuator should be less than 0.1 m.

    This technical parameter table gives the setting diagram.

    Coupling clamp calibration:

    To calibrate the capacitive coupling plane, the open circuit voltage of the electric fast transient/pulse group generator (50 ohm output) is set to: 2,000 V

    The resulting output voltage across PVF 50(50 ohm matching resistor) is 1,000 V

    Measurement voltage Vm: 10 V

    Voltage value measured by oscilloscope at 50 ohm input impedance: 5 V

    The resulting attenuation value (theoretical) : 400:1

  • CCI Capacitive Coupling Clamp

    highest voltage

    7.0 kV

    Coupling plate size

    140 mm x 1000 mm

    high

    Ground - coupling plate, 100 mm

    Connector

    High voltage connector, coaxial

    ground

    4 mm banana plug

    Equipment under test cable

    Diameter up to 40 mm

    weight

    10.6 kg

    common data

    ambient temperature

    10° C - 40° C

    Relative humidity

    85% maximum, no condensation

    atmospheric pressure

    86 kPa  - 106 kPa

    ICC PVKIT 1 Calibration Kit

    Sensor board technical data

    Description
    Sensor board with 4mm connection plug

    Sensor board with 4 mm connection plug

    acrylic support

    Bracket for measuring adapter PVF50 at a level of 100 mm for calibration of capacitive coupling clamps

    PVF AD3

    Adapter 4 mm to coaxial SHF connector
    (connects load resistor to sensor board)

    PVF BKIT 1 Pulse Group Verification Kit

    PVF 50
    sensor board with 4mm connection plug

    Coaxial 50 Ohm Load Resistor for EFT/Burst Transient Verification

    PVF 1000

    Coaxial 1000 Ohm Load Resistor for EFT/Burst Transient Verification

    PVF AD1

    Adapter to match 4mm/6mm EUT output to PVF 50 load resistor, (connect load resistor to EUT output)

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